90345780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 240

約数和(自身を含む): 335655936

約数和(自身を除く): 245310156

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, 257, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 514, 540, 558, 567, 620, 630, 651, 756, 771, 810, 837, 868, 930, 945, 1028, 1085, 1116, 1134, 1260, 1285, 1302, 1395, 1542, 1620, 1674, 1799, 1860, 1890, 1953, 2170, 2268, 2313, 2511, 2570, 2604, 2790, 2835, 3084, 3255, 3348, 3598, 3780, 3855, 3906, 4185, 4340, 4626, 5022, 5140, 5397, 5580, 5670, 5859, 6510, 6939, 7196, 7710, 7812, 7967, 8370, 8995, 9252, 9765, 10044, 10794, 11340, 11565, 11718, 12555, 13020, 13878, 15420, 15934, 16191, 16740, 17577, 17990, 19530, 20817, 21588, 23130, 23436, 23901, 25110, 26985, 27756, 29295, 31868, 32382, 34695, 35154, 35980, 39060, 39835, 41634, 46260, 47802, 48573, 50220, 53970, 55769, 58590, 64764, 69390, 70308, 71703, 79670, 80955, 83268, 87885, 95604, 97146, 104085, 107940, 111538, 117180, 119505, 138780, 143406, 145719, 159340, 161910, 167307, 175770, 194292, 208170, 215109, 223076, 239010, 242865, 278845, 286812, 291438, 323820, 334614, 351540, 358515, 416340, 430218, 478020, 485730, 501921, 557690, 582876, 645327, 669228, 717030, 728595, 836535, 860436, 971460, 1003842, 1075545, 1115380, 1290654, 1434060, 1457190, 1505763, 1673070, 2007684, 2151090, 2509605, 2581308, 2914380, 3011526, 3226635, 3346140, 4302180, 4517289, 5019210, 6023052, 6453270, 7528815, 9034578, 10038420, 12906540, 15057630, 18069156, 22586445, 30115260, 45172890, 90345780]

約数ペア:

[(1, 90345780), (2, 45172890), (3, 30115260), (4, 22586445), (5, 18069156), (6, 15057630), (7, 12906540), (9, 10038420), (10, 9034578), (12, 7528815), (14, 6453270), (15, 6023052), (18, 5019210), (20, 4517289), (21, 4302180), (27, 3346140), (28, 3226635), (30, 3011526), (31, 2914380), (35, 2581308), (36, 2509605), (42, 2151090), (45, 2007684), (54, 1673070), (60, 1505763), (62, 1457190), (63, 1434060), (70, 1290654), (81, 1115380), (84, 1075545), (90, 1003842), (93, 971460), (105, 860436), (108, 836535), (124, 728595), (126, 717030), (135, 669228), (140, 645327), (155, 582876), (162, 557690), (180, 501921), (186, 485730), (189, 478020), (210, 430218), (217, 416340), (252, 358515), (257, 351540), (270, 334614), (279, 323820), (310, 291438), (315, 286812), (324, 278845), (372, 242865), (378, 239010), (405, 223076), (420, 215109), (434, 208170), (465, 194292), (514, 175770), (540, 167307), (558, 161910), (567, 159340), (620, 145719), (630, 143406), (651, 138780), (756, 119505), (771, 117180), (810, 111538), (837, 107940), (868, 104085), (930, 97146), (945, 95604), (1028, 87885), (1085, 83268), (1116, 80955), (1134, 79670), (1260, 71703), (1285, 70308), (1302, 69390), (1395, 64764), (1542, 58590), (1620, 55769), (1674, 53970), (1799, 50220), (1860, 48573), (1890, 47802), (1953, 46260), (2170, 41634), (2268, 39835), (2313, 39060), (2511, 35980), (2570, 35154), (2604, 34695), (2790, 32382), (2835, 31868), (3084, 29295), (3255, 27756), (3348, 26985), (3598, 25110), (3780, 23901), (3855, 23436), (3906, 23130), (4185, 21588), (4340, 20817), (4626, 19530), (5022, 17990), (5140, 17577), (5397, 16740), (5580, 16191), (5670, 15934), (5859, 15420), (6510, 13878), (6939, 13020), (7196, 12555), (7710, 11718), (7812, 11565), (7967, 11340), (8370, 10794), (8995, 10044), (9252, 9765)]