1640200080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 320

約数和(自身を含む): 5679636480

約数和(自身を除く): 4039436400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 41, 48, 57, 60, 62, 76, 80, 82, 93, 95, 114, 120, 123, 124, 152, 155, 164, 186, 190, 205, 228, 240, 246, 248, 283, 285, 304, 310, 328, 372, 380, 410, 456, 465, 492, 496, 566, 570, 589, 615, 620, 656, 744, 760, 779, 820, 849, 912, 930, 984, 1132, 1140, 1178, 1230, 1240, 1271, 1415, 1488, 1520, 1558, 1640, 1698, 1767, 1860, 1968, 2264, 2280, 2337, 2356, 2460, 2480, 2542, 2830, 2945, 3116, 3280, 3396, 3534, 3720, 3813, 3895, 4245, 4528, 4560, 4674, 4712, 4920, 5084, 5377, 5660, 5890, 6232, 6355, 6792, 7068, 7440, 7626, 7790, 8490, 8773, 8835, 9348, 9424, 9840, 10168, 10754, 11320, 11603, 11685, 11780, 12464, 12710, 13584, 14136, 15252, 15580, 16131, 16980, 17546, 17670, 18696, 19065, 20336, 21508, 22640, 23206, 23370, 23560, 24149, 25420, 26319, 26885, 28272, 30504, 31160, 32262, 33960, 34809, 35092, 35340, 37392, 38130, 43016, 43865, 46412, 46740, 47120, 48298, 50840, 52638, 53770, 58015, 61008, 62320, 64524, 67920, 69618, 70184, 70680, 72447, 76260, 80655, 86032, 87730, 92824, 93480, 96596, 101680, 105276, 107540, 116030, 120745, 129048, 131595, 139236, 140368, 141360, 144894, 152520, 161310, 166687, 174045, 175460, 185648, 186960, 193192, 210552, 215080, 220457, 232060, 241490, 258096, 263190, 278472, 289788, 305040, 322620, 333374, 348090, 350920, 359693, 362235, 386384, 421104, 430160, 440914, 464120, 482980, 500061, 526380, 556944, 579576, 645240, 661371, 666748, 696180, 701840, 719386, 724470, 833435, 881828, 928240, 965960, 1000122, 1052760, 1079079, 1102285, 1159152, 1290480, 1322742, 1333496, 1392360, 1438772, 1448940, 1666870, 1763656, 1798465, 1931920, 2000244, 2105520, 2158158, 2204570, 2500305, 2645484, 2666992, 2784720, 2877544, 2897880, 3306855, 3333740, 3527312, 3596930, 4000488, 4316316, 4409140, 5000610, 5290968, 5395395, 5755088, 5795760, 6613710, 6667480, 6834167, 7193860, 8000976, 8632632, 8818280, 10001220, 10581936, 10790790, 13227420, 13334960, 13668334, 14387720, 17265264, 17636560, 20002440, 20502501, 21581580, 26454840, 27336668, 28775440, 34170835, 40004880, 41005002, 43163160, 52909680, 54673336, 68341670, 82010004, 86326320, 102512505, 109346672, 136683340, 164020008, 205025010, 273366680, 328040016, 410050020, 546733360, 820100040, 1640200080]

約数ペア:

[(1, 1640200080), (2, 820100040), (3, 546733360), (4, 410050020), (5, 328040016), (6, 273366680), (8, 205025010), (10, 164020008), (12, 136683340), (15, 109346672), (16, 102512505), (19, 86326320), (20, 82010004), (24, 68341670), (30, 54673336), (31, 52909680), (38, 43163160), (40, 41005002), (41, 40004880), (48, 34170835), (57, 28775440), (60, 27336668), (62, 26454840), (76, 21581580), (80, 20502501), (82, 20002440), (93, 17636560), (95, 17265264), (114, 14387720), (120, 13668334), (123, 13334960), (124, 13227420), (152, 10790790), (155, 10581936), (164, 10001220), (186, 8818280), (190, 8632632), (205, 8000976), (228, 7193860), (240, 6834167), (246, 6667480), (248, 6613710), (283, 5795760), (285, 5755088), (304, 5395395), (310, 5290968), (328, 5000610), (372, 4409140), (380, 4316316), (410, 4000488), (456, 3596930), (465, 3527312), (492, 3333740), (496, 3306855), (566, 2897880), (570, 2877544), (589, 2784720), (615, 2666992), (620, 2645484), (656, 2500305), (744, 2204570), (760, 2158158), (779, 2105520), (820, 2000244), (849, 1931920), (912, 1798465), (930, 1763656), (984, 1666870), (1132, 1448940), (1140, 1438772), (1178, 1392360), (1230, 1333496), (1240, 1322742), (1271, 1290480), (1415, 1159152), (1488, 1102285), (1520, 1079079), (1558, 1052760), (1640, 1000122), (1698, 965960), (1767, 928240), (1860, 881828), (1968, 833435), (2264, 724470), (2280, 719386), (2337, 701840), (2356, 696180), (2460, 666748), (2480, 661371), (2542, 645240), (2830, 579576), (2945, 556944), (3116, 526380), (3280, 500061), (3396, 482980), (3534, 464120), (3720, 440914), (3813, 430160), (3895, 421104), (4245, 386384), (4528, 362235), (4560, 359693), (4674, 350920), (4712, 348090), (4920, 333374), (5084, 322620), (5377, 305040), (5660, 289788), (5890, 278472), (6232, 263190), (6355, 258096), (6792, 241490), (7068, 232060), (7440, 220457), (7626, 215080), (7790, 210552), (8490, 193192), (8773, 186960), (8835, 185648), (9348, 175460), (9424, 174045), (9840, 166687), (10168, 161310), (10754, 152520), (11320, 144894), (11603, 141360), (11685, 140368), (11780, 139236), (12464, 131595), (12710, 129048), (13584, 120745), (14136, 116030), (15252, 107540), (15580, 105276), (16131, 101680), (16980, 96596), (17546, 93480), (17670, 92824), (18696, 87730), (19065, 86032), (20336, 80655), (21508, 76260), (22640, 72447), (23206, 70680), (23370, 70184), (23560, 69618), (24149, 67920), (25420, 64524), (26319, 62320), (26885, 61008), (28272, 58015), (30504, 53770), (31160, 52638), (32262, 50840), (33960, 48298), (34809, 47120), (35092, 46740), (35340, 46412), (37392, 43865), (38130, 43016)]