490863480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 1632960000

約数和(自身を除く): 1142096520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 59, 60, 76, 82, 89, 95, 114, 118, 120, 123, 152, 164, 177, 178, 190, 205, 228, 236, 246, 267, 285, 295, 328, 354, 356, 380, 410, 445, 456, 472, 492, 534, 570, 590, 615, 708, 712, 760, 779, 820, 885, 890, 984, 1068, 1121, 1140, 1180, 1230, 1335, 1416, 1558, 1640, 1691, 1770, 1780, 2136, 2242, 2280, 2337, 2360, 2419, 2460, 2670, 3116, 3363, 3382, 3540, 3560, 3649, 3895, 4484, 4674, 4838, 4920, 5073, 5251, 5340, 5605, 6232, 6726, 6764, 7080, 7257, 7298, 7790, 8455, 8968, 9348, 9676, 10146, 10502, 10680, 10947, 11210, 11685, 12095, 13452, 13528, 14514, 14596, 15580, 15753, 16815, 16910, 18245, 18696, 19352, 20292, 21004, 21894, 22420, 23370, 24190, 25365, 26255, 26904, 29028, 29192, 31160, 31506, 33630, 33820, 36285, 36490, 40584, 42008, 43788, 44840, 45961, 46740, 48380, 50730, 52510, 54735, 58056, 63012, 67260, 67640, 69331, 72570, 72980, 78765, 87576, 91922, 93480, 96760, 99769, 101460, 105020, 109470, 126024, 134520, 137883, 138662, 145140, 145960, 157530, 183844, 199538, 202920, 207993, 210040, 215291, 218940, 229805, 275766, 277324, 290280, 299307, 315060, 346655, 367688, 399076, 415986, 430582, 437880, 459610, 498845, 551532, 554648, 598614, 630120, 645873, 689415, 693310, 798152, 831972, 861164, 919220, 997690, 1039965, 1076455, 1103064, 1197228, 1291746, 1378830, 1386620, 1496535, 1663944, 1722328, 1838440, 1995380, 2079930, 2152910, 2394456, 2583492, 2757660, 2773240, 2993070, 3229365, 3990760, 4090529, 4159860, 4305820, 5166984, 5515320, 5986140, 6458730, 8181058, 8319720, 8611640, 11972280, 12271587, 12917460, 16362116, 20452645, 24543174, 25834920, 32724232, 40905290, 49086348, 61357935, 81810580, 98172696, 122715870, 163621160, 245431740, 490863480]

約数ペア:

[(1, 490863480), (2, 245431740), (3, 163621160), (4, 122715870), (5, 98172696), (6, 81810580), (8, 61357935), (10, 49086348), (12, 40905290), (15, 32724232), (19, 25834920), (20, 24543174), (24, 20452645), (30, 16362116), (38, 12917460), (40, 12271587), (41, 11972280), (57, 8611640), (59, 8319720), (60, 8181058), (76, 6458730), (82, 5986140), (89, 5515320), (95, 5166984), (114, 4305820), (118, 4159860), (120, 4090529), (123, 3990760), (152, 3229365), (164, 2993070), (177, 2773240), (178, 2757660), (190, 2583492), (205, 2394456), (228, 2152910), (236, 2079930), (246, 1995380), (267, 1838440), (285, 1722328), (295, 1663944), (328, 1496535), (354, 1386620), (356, 1378830), (380, 1291746), (410, 1197228), (445, 1103064), (456, 1076455), (472, 1039965), (492, 997690), (534, 919220), (570, 861164), (590, 831972), (615, 798152), (708, 693310), (712, 689415), (760, 645873), (779, 630120), (820, 598614), (885, 554648), (890, 551532), (984, 498845), (1068, 459610), (1121, 437880), (1140, 430582), (1180, 415986), (1230, 399076), (1335, 367688), (1416, 346655), (1558, 315060), (1640, 299307), (1691, 290280), (1770, 277324), (1780, 275766), (2136, 229805), (2242, 218940), (2280, 215291), (2337, 210040), (2360, 207993), (2419, 202920), (2460, 199538), (2670, 183844), (3116, 157530), (3363, 145960), (3382, 145140), (3540, 138662), (3560, 137883), (3649, 134520), (3895, 126024), (4484, 109470), (4674, 105020), (4838, 101460), (4920, 99769), (5073, 96760), (5251, 93480), (5340, 91922), (5605, 87576), (6232, 78765), (6726, 72980), (6764, 72570), (7080, 69331), (7257, 67640), (7298, 67260), (7790, 63012), (8455, 58056), (8968, 54735), (9348, 52510), (9676, 50730), (10146, 48380), (10502, 46740), (10680, 45961), (10947, 44840), (11210, 43788), (11685, 42008), (12095, 40584), (13452, 36490), (13528, 36285), (14514, 33820), (14596, 33630), (15580, 31506), (15753, 31160), (16815, 29192), (16910, 29028), (18245, 26904), (18696, 26255), (19352, 25365), (20292, 24190), (21004, 23370), (21894, 22420)]