1291206420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3732

約数の個数: 240

約数和(自身を含む): 4779844608

約数和(自身を除く): 3488638188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1395, 1620, 1674, 1860, 1890, 1953, 2170, 2268, 2511, 2604, 2790, 2835, 3255, 3348, 3673, 3780, 3906, 4185, 4340, 5022, 5580, 5670, 5859, 6510, 7346, 7812, 8370, 9765, 10044, 11019, 11340, 11718, 12555, 13020, 14692, 16740, 17577, 18365, 19530, 22038, 23436, 25110, 25711, 29295, 33057, 35154, 36730, 39060, 44076, 50220, 51422, 55095, 58590, 66114, 70308, 73460, 77133, 87885, 99171, 102844, 110190, 113863, 117180, 128555, 132228, 154266, 165285, 175770, 198342, 220380, 227726, 231399, 257110, 297513, 308532, 330570, 341589, 351540, 385665, 396684, 455452, 462798, 495855, 514220, 569315, 595026, 661140, 683178, 694197, 771330, 797041, 925596, 991710, 1024767, 1138630, 1156995, 1190052, 1366356, 1388394, 1487565, 1542660, 1594082, 1707945, 1983420, 2049534, 2082591, 2277260, 2313990, 2391123, 2776788, 2975130, 3074301, 3188164, 3415890, 3470985, 3985205, 4099068, 4165182, 4627980, 4782246, 5123835, 5950260, 6148602, 6831780, 6941970, 7173369, 7970410, 8330364, 9222903, 9564492, 10247670, 10412955, 11955615, 12297204, 13883940, 14346738, 15371505, 15940820, 18445806, 20495340, 20825910, 21520107, 23911230, 28693476, 30743010, 35866845, 36891612, 41651820, 43040214, 46114515, 47822460, 61486020, 64560321, 71733690, 86080428, 92229030, 107600535, 129120642, 143467380, 184458060, 215201070, 258241284, 322801605, 430402140, 645603210, 1291206420]

約数ペア:

[(1, 1291206420), (2, 645603210), (3, 430402140), (4, 322801605), (5, 258241284), (6, 215201070), (7, 184458060), (9, 143467380), (10, 129120642), (12, 107600535), (14, 92229030), (15, 86080428), (18, 71733690), (20, 64560321), (21, 61486020), (27, 47822460), (28, 46114515), (30, 43040214), (31, 41651820), (35, 36891612), (36, 35866845), (42, 30743010), (45, 28693476), (54, 23911230), (60, 21520107), (62, 20825910), (63, 20495340), (70, 18445806), (81, 15940820), (84, 15371505), (90, 14346738), (93, 13883940), (105, 12297204), (108, 11955615), (124, 10412955), (126, 10247670), (135, 9564492), (140, 9222903), (155, 8330364), (162, 7970410), (180, 7173369), (186, 6941970), (189, 6831780), (210, 6148602), (217, 5950260), (252, 5123835), (270, 4782246), (279, 4627980), (310, 4165182), (315, 4099068), (324, 3985205), (372, 3470985), (378, 3415890), (405, 3188164), (420, 3074301), (434, 2975130), (465, 2776788), (540, 2391123), (558, 2313990), (567, 2277260), (620, 2082591), (630, 2049534), (651, 1983420), (756, 1707945), (810, 1594082), (837, 1542660), (868, 1487565), (930, 1388394), (945, 1366356), (1085, 1190052), (1116, 1156995), (1134, 1138630), (1260, 1024767), (1302, 991710), (1395, 925596), (1620, 797041), (1674, 771330), (1860, 694197), (1890, 683178), (1953, 661140), (2170, 595026), (2268, 569315), (2511, 514220), (2604, 495855), (2790, 462798), (2835, 455452), (3255, 396684), (3348, 385665), (3673, 351540), (3780, 341589), (3906, 330570), (4185, 308532), (4340, 297513), (5022, 257110), (5580, 231399), (5670, 227726), (5859, 220380), (6510, 198342), (7346, 175770), (7812, 165285), (8370, 154266), (9765, 132228), (10044, 128555), (11019, 117180), (11340, 113863), (11718, 110190), (12555, 102844), (13020, 99171), (14692, 87885), (16740, 77133), (17577, 73460), (18365, 70308), (19530, 66114), (22038, 58590), (23436, 55095), (25110, 51422), (25711, 50220), (29295, 44076), (33057, 39060), (35154, 36730)]