1291800120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1150

約数の個数: 256

約数和(自身を含む): 4504550400

約数和(自身を除く): 3212750280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 41, 52, 57, 60, 65, 76, 78, 82, 95, 104, 114, 120, 123, 130, 152, 156, 164, 190, 195, 205, 228, 246, 247, 260, 285, 312, 328, 380, 390, 410, 456, 492, 494, 520, 533, 570, 615, 741, 760, 779, 780, 820, 984, 988, 1063, 1066, 1140, 1230, 1235, 1482, 1558, 1560, 1599, 1640, 1976, 2126, 2132, 2280, 2337, 2460, 2470, 2665, 2964, 3116, 3189, 3198, 3705, 3895, 4252, 4264, 4674, 4920, 4940, 5315, 5330, 5928, 6232, 6378, 6396, 7410, 7790, 7995, 8504, 9348, 9880, 10127, 10630, 10660, 11685, 12756, 12792, 13819, 14820, 15580, 15945, 15990, 18696, 20197, 20254, 21260, 21320, 23370, 25512, 27638, 29640, 30381, 31160, 31890, 31980, 40394, 40508, 41457, 42520, 43583, 46740, 50635, 55276, 60591, 60762, 63780, 63960, 69095, 80788, 81016, 82914, 87166, 93480, 100985, 101270, 110552, 121182, 121524, 127560, 130749, 138190, 151905, 161576, 165828, 174332, 201970, 202540, 207285, 217915, 242364, 243048, 261498, 262561, 276380, 302955, 303810, 331656, 348664, 403940, 405080, 414570, 435830, 484728, 522996, 525122, 552760, 566579, 605910, 607620, 653745, 787683, 807880, 828077, 829140, 871660, 1045992, 1050244, 1133158, 1211820, 1215240, 1307490, 1312805, 1575366, 1656154, 1658280, 1699737, 1743320, 2100488, 2266316, 2423640, 2484231, 2614980, 2625610, 2832895, 3150732, 3312308, 3399474, 3938415, 4140385, 4532632, 4968462, 5229960, 5251220, 5665790, 6301464, 6624616, 6798948, 7876830, 8280770, 8498685, 9936924, 10502440, 10765001, 11331580, 12421155, 13597896, 15753660, 16561540, 16997370, 19873848, 21530002, 22663160, 24842310, 31507320, 32295003, 33123080, 33994740, 43060004, 49684620, 53825005, 64590006, 67989480, 86120008, 99369240, 107650010, 129180012, 161475015, 215300020, 258360024, 322950030, 430600040, 645900060, 1291800120]

約数ペア:

[(1, 1291800120), (2, 645900060), (3, 430600040), (4, 322950030), (5, 258360024), (6, 215300020), (8, 161475015), (10, 129180012), (12, 107650010), (13, 99369240), (15, 86120008), (19, 67989480), (20, 64590006), (24, 53825005), (26, 49684620), (30, 43060004), (38, 33994740), (39, 33123080), (40, 32295003), (41, 31507320), (52, 24842310), (57, 22663160), (60, 21530002), (65, 19873848), (76, 16997370), (78, 16561540), (82, 15753660), (95, 13597896), (104, 12421155), (114, 11331580), (120, 10765001), (123, 10502440), (130, 9936924), (152, 8498685), (156, 8280770), (164, 7876830), (190, 6798948), (195, 6624616), (205, 6301464), (228, 5665790), (246, 5251220), (247, 5229960), (260, 4968462), (285, 4532632), (312, 4140385), (328, 3938415), (380, 3399474), (390, 3312308), (410, 3150732), (456, 2832895), (492, 2625610), (494, 2614980), (520, 2484231), (533, 2423640), (570, 2266316), (615, 2100488), (741, 1743320), (760, 1699737), (779, 1658280), (780, 1656154), (820, 1575366), (984, 1312805), (988, 1307490), (1063, 1215240), (1066, 1211820), (1140, 1133158), (1230, 1050244), (1235, 1045992), (1482, 871660), (1558, 829140), (1560, 828077), (1599, 807880), (1640, 787683), (1976, 653745), (2126, 607620), (2132, 605910), (2280, 566579), (2337, 552760), (2460, 525122), (2470, 522996), (2665, 484728), (2964, 435830), (3116, 414570), (3189, 405080), (3198, 403940), (3705, 348664), (3895, 331656), (4252, 303810), (4264, 302955), (4674, 276380), (4920, 262561), (4940, 261498), (5315, 243048), (5330, 242364), (5928, 217915), (6232, 207285), (6378, 202540), (6396, 201970), (7410, 174332), (7790, 165828), (7995, 161576), (8504, 151905), (9348, 138190), (9880, 130749), (10127, 127560), (10630, 121524), (10660, 121182), (11685, 110552), (12756, 101270), (12792, 100985), (13819, 93480), (14820, 87166), (15580, 82914), (15945, 81016), (15990, 80788), (18696, 69095), (20197, 63960), (20254, 63780), (21260, 60762), (21320, 60591), (23370, 55276), (25512, 50635), (27638, 46740), (29640, 43583), (30381, 42520), (31160, 41457), (31890, 40508), (31980, 40394)]