1988218170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 256

約数和(自身を含む): 5897318400

約数和(自身を除く): 3909100230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 89, 90, 93, 102, 135, 153, 155, 157, 170, 178, 186, 255, 267, 270, 279, 306, 310, 314, 445, 459, 465, 471, 510, 527, 534, 558, 765, 785, 801, 837, 890, 918, 930, 942, 1054, 1335, 1395, 1413, 1513, 1530, 1570, 1581, 1602, 1674, 2295, 2355, 2403, 2635, 2669, 2670, 2759, 2790, 2826, 3026, 3162, 4005, 4185, 4239, 4539, 4590, 4710, 4743, 4806, 4867, 5270, 5338, 5518, 7065, 7565, 7905, 8007, 8010, 8277, 8370, 8478, 9078, 9486, 9734, 12015, 13345, 13617, 13795, 13973, 14130, 14229, 14601, 15130, 15810, 16014, 16554, 21195, 22695, 23715, 24021, 24030, 24335, 24831, 26690, 27234, 27590, 27946, 28458, 29202, 40035, 40851, 41385, 41919, 42390, 43803, 45390, 46903, 47430, 48042, 48670, 49662, 68085, 69865, 71145, 72063, 73005, 74493, 80070, 81702, 82739, 82770, 83838, 87606, 93806, 120105, 124155, 125757, 131409, 136170, 139730, 140709, 142290, 144126, 146010, 148986, 165478, 204255, 209595, 219015, 234515, 237541, 240210, 248217, 248310, 251514, 262818, 281418, 360315, 372465, 377271, 408510, 413695, 419190, 422127, 433163, 438030, 469030, 475082, 496434, 628785, 657045, 703545, 712623, 720630, 744651, 744930, 754542, 827390, 844254, 866326, 1187705, 1241085, 1257570, 1266381, 1299489, 1314090, 1407090, 1425246, 1489302, 1886355, 2110635, 2137869, 2165815, 2233953, 2375410, 2482170, 2532762, 2598978, 3563115, 3723255, 3772710, 3898467, 4221270, 4275738, 4331630, 4467906, 6331905, 6413607, 6497445, 7126230, 7363771, 7446510, 7796934, 10689345, 11169765, 11695401, 12663810, 12827214, 12994890, 14727542, 19492335, 21378690, 22091313, 22339530, 23390802, 32068035, 36818855, 38984670, 44182626, 58477005, 64136070, 66273939, 73637710, 110456565, 116954010, 132547878, 198821817, 220913130, 331369695, 397643634, 662739390, 994109085, 1988218170]

約数ペア:

[(1, 1988218170), (2, 994109085), (3, 662739390), (5, 397643634), (6, 331369695), (9, 220913130), (10, 198821817), (15, 132547878), (17, 116954010), (18, 110456565), (27, 73637710), (30, 66273939), (31, 64136070), (34, 58477005), (45, 44182626), (51, 38984670), (54, 36818855), (62, 32068035), (85, 23390802), (89, 22339530), (90, 22091313), (93, 21378690), (102, 19492335), (135, 14727542), (153, 12994890), (155, 12827214), (157, 12663810), (170, 11695401), (178, 11169765), (186, 10689345), (255, 7796934), (267, 7446510), (270, 7363771), (279, 7126230), (306, 6497445), (310, 6413607), (314, 6331905), (445, 4467906), (459, 4331630), (465, 4275738), (471, 4221270), (510, 3898467), (527, 3772710), (534, 3723255), (558, 3563115), (765, 2598978), (785, 2532762), (801, 2482170), (837, 2375410), (890, 2233953), (918, 2165815), (930, 2137869), (942, 2110635), (1054, 1886355), (1335, 1489302), (1395, 1425246), (1413, 1407090), (1513, 1314090), (1530, 1299489), (1570, 1266381), (1581, 1257570), (1602, 1241085), (1674, 1187705), (2295, 866326), (2355, 844254), (2403, 827390), (2635, 754542), (2669, 744930), (2670, 744651), (2759, 720630), (2790, 712623), (2826, 703545), (3026, 657045), (3162, 628785), (4005, 496434), (4185, 475082), (4239, 469030), (4539, 438030), (4590, 433163), (4710, 422127), (4743, 419190), (4806, 413695), (4867, 408510), (5270, 377271), (5338, 372465), (5518, 360315), (7065, 281418), (7565, 262818), (7905, 251514), (8007, 248310), (8010, 248217), (8277, 240210), (8370, 237541), (8478, 234515), (9078, 219015), (9486, 209595), (9734, 204255), (12015, 165478), (13345, 148986), (13617, 146010), (13795, 144126), (13973, 142290), (14130, 140709), (14229, 139730), (14601, 136170), (15130, 131409), (15810, 125757), (16014, 124155), (16554, 120105), (21195, 93806), (22695, 87606), (23715, 83838), (24021, 82770), (24030, 82739), (24335, 81702), (24831, 80070), (26690, 74493), (27234, 73005), (27590, 72063), (27946, 71145), (28458, 69865), (29202, 68085), (40035, 49662), (40851, 48670), (41385, 48042), (41919, 47430), (42390, 46903), (43803, 45390)]