491116080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:348

約数の個数: 320

約数和(自身を含む): 1899878400

約数和(自身を除く): 1408762320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 113, 120, 130, 140, 156, 168, 182, 195, 199, 208, 210, 226, 240, 260, 273, 280, 312, 336, 339, 364, 390, 398, 420, 452, 455, 520, 546, 560, 565, 597, 624, 678, 728, 780, 791, 796, 840, 904, 910, 995, 1040, 1092, 1130, 1194, 1356, 1365, 1393, 1456, 1469, 1560, 1582, 1592, 1680, 1695, 1808, 1820, 1990, 2184, 2260, 2373, 2388, 2587, 2712, 2730, 2786, 2938, 2985, 3120, 3164, 3184, 3390, 3640, 3955, 3980, 4179, 4368, 4407, 4520, 4746, 4776, 5174, 5424, 5460, 5572, 5876, 5970, 6328, 6780, 6965, 7280, 7345, 7761, 7910, 7960, 8358, 8814, 9040, 9492, 9552, 10283, 10348, 10920, 11144, 11752, 11865, 11940, 12656, 12935, 13560, 13930, 14690, 15522, 15820, 15920, 16716, 17628, 18109, 18984, 20566, 20696, 20895, 21840, 22035, 22288, 22487, 23504, 23730, 23880, 25870, 27120, 27860, 29380, 30849, 31044, 31640, 33432, 35256, 36218, 37968, 38805, 41132, 41392, 41790, 44070, 44974, 47460, 47760, 51415, 51740, 54327, 55720, 58760, 61698, 62088, 63280, 66864, 67461, 70512, 72436, 77610, 82264, 83580, 88140, 89948, 90545, 94920, 102830, 103480, 108654, 111440, 112435, 117520, 123396, 124176, 134922, 144872, 154245, 155220, 157409, 164528, 167160, 176280, 179896, 181090, 189840, 205660, 206960, 217308, 224870, 246792, 269844, 271635, 289744, 292331, 308490, 310440, 314818, 334320, 337305, 352560, 359792, 362180, 411320, 434616, 449740, 472227, 493584, 539688, 543270, 584662, 616980, 620880, 629636, 674610, 724360, 787045, 822640, 869232, 876993, 899480, 944454, 1079376, 1086540, 1169324, 1233960, 1259272, 1349220, 1448720, 1461655, 1574090, 1753986, 1798960, 1888908, 2046317, 2173080, 2338648, 2361135, 2467920, 2518544, 2698440, 2923310, 3148180, 3507972, 3777816, 4092634, 4346160, 4384965, 4677296, 4722270, 5396880, 5846620, 6138951, 6296360, 7015944, 7555632, 8185268, 8769930, 9444540, 10231585, 11693240, 12277902, 12592720, 14031888, 16370536, 17539860, 18889080, 20463170, 23386480, 24555804, 30694755, 32741072, 35079720, 37778160, 40926340, 49111608, 61389510, 70159440, 81852680, 98223216, 122779020, 163705360, 245558040, 491116080]

約数ペア:

[(1, 491116080), (2, 245558040), (3, 163705360), (4, 122779020), (5, 98223216), (6, 81852680), (7, 70159440), (8, 61389510), (10, 49111608), (12, 40926340), (13, 37778160), (14, 35079720), (15, 32741072), (16, 30694755), (20, 24555804), (21, 23386480), (24, 20463170), (26, 18889080), (28, 17539860), (30, 16370536), (35, 14031888), (39, 12592720), (40, 12277902), (42, 11693240), (48, 10231585), (52, 9444540), (56, 8769930), (60, 8185268), (65, 7555632), (70, 7015944), (78, 6296360), (80, 6138951), (84, 5846620), (91, 5396880), (104, 4722270), (105, 4677296), (112, 4384965), (113, 4346160), (120, 4092634), (130, 3777816), (140, 3507972), (156, 3148180), (168, 2923310), (182, 2698440), (195, 2518544), (199, 2467920), (208, 2361135), (210, 2338648), (226, 2173080), (240, 2046317), (260, 1888908), (273, 1798960), (280, 1753986), (312, 1574090), (336, 1461655), (339, 1448720), (364, 1349220), (390, 1259272), (398, 1233960), (420, 1169324), (452, 1086540), (455, 1079376), (520, 944454), (546, 899480), (560, 876993), (565, 869232), (597, 822640), (624, 787045), (678, 724360), (728, 674610), (780, 629636), (791, 620880), (796, 616980), (840, 584662), (904, 543270), (910, 539688), (995, 493584), (1040, 472227), (1092, 449740), (1130, 434616), (1194, 411320), (1356, 362180), (1365, 359792), (1393, 352560), (1456, 337305), (1469, 334320), (1560, 314818), (1582, 310440), (1592, 308490), (1680, 292331), (1695, 289744), (1808, 271635), (1820, 269844), (1990, 246792), (2184, 224870), (2260, 217308), (2373, 206960), (2388, 205660), (2587, 189840), (2712, 181090), (2730, 179896), (2786, 176280), (2938, 167160), (2985, 164528), (3120, 157409), (3164, 155220), (3184, 154245), (3390, 144872), (3640, 134922), (3955, 124176), (3980, 123396), (4179, 117520), (4368, 112435), (4407, 111440), (4520, 108654), (4746, 103480), (4776, 102830), (5174, 94920), (5424, 90545), (5460, 89948), (5572, 88140), (5876, 83580), (5970, 82264), (6328, 77610), (6780, 72436), (6965, 70512), (7280, 67461), (7345, 66864), (7761, 63280), (7910, 62088), (7960, 61698), (8358, 58760), (8814, 55720), (9040, 54327), (9492, 51740), (9552, 51415), (10283, 47760), (10348, 47460), (10920, 44974), (11144, 44070), (11752, 41790), (11865, 41392), (11940, 41132), (12656, 38805), (12935, 37968), (13560, 36218), (13930, 35256), (14690, 33432), (15522, 31640), (15820, 31044), (15920, 30849), (16716, 29380), (17628, 27860), (18109, 27120), (18984, 25870), (20566, 23880), (20696, 23730), (20895, 23504), (21840, 22487), (22035, 22288)]