31072860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 216

約数和(自身を含む): 118512576

約数和(自身を除く): 87439716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 271, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 542, 546, 585, 588, 630, 637, 735, 780, 813, 819, 882, 910, 980, 1084, 1092, 1170, 1260, 1274, 1355, 1365, 1470, 1626, 1638, 1764, 1820, 1897, 1911, 2205, 2340, 2439, 2548, 2710, 2730, 2940, 3185, 3252, 3276, 3523, 3794, 3822, 4065, 4095, 4410, 4878, 5420, 5460, 5691, 5733, 6370, 7046, 7588, 7644, 8130, 8190, 8820, 9485, 9555, 9756, 10569, 11382, 11466, 12195, 12740, 13279, 14092, 16260, 16380, 17073, 17615, 18970, 19110, 21138, 22764, 22932, 24390, 24661, 26558, 28455, 28665, 31707, 34146, 35230, 37940, 38220, 39837, 42276, 48780, 49322, 52845, 53116, 56910, 57330, 63414, 66395, 68292, 70460, 73983, 79674, 85365, 98644, 105690, 113820, 114660, 119511, 123305, 126828, 132790, 147966, 158535, 159348, 170730, 172627, 199185, 211380, 221949, 239022, 246610, 265580, 295932, 317070, 341460, 345254, 369915, 398370, 443898, 478044, 493220, 517881, 597555, 634140, 690508, 739830, 796740, 863135, 887796, 1035762, 1109745, 1195110, 1479660, 1553643, 1726270, 2071524, 2219490, 2390220, 2589405, 3107286, 3452540, 4438980, 5178810, 6214572, 7768215, 10357620, 15536430, 31072860]

約数ペア:

[(1, 31072860), (2, 15536430), (3, 10357620), (4, 7768215), (5, 6214572), (6, 5178810), (7, 4438980), (9, 3452540), (10, 3107286), (12, 2589405), (13, 2390220), (14, 2219490), (15, 2071524), (18, 1726270), (20, 1553643), (21, 1479660), (26, 1195110), (28, 1109745), (30, 1035762), (35, 887796), (36, 863135), (39, 796740), (42, 739830), (45, 690508), (49, 634140), (52, 597555), (60, 517881), (63, 493220), (65, 478044), (70, 443898), (78, 398370), (84, 369915), (90, 345254), (91, 341460), (98, 317070), (105, 295932), (117, 265580), (126, 246610), (130, 239022), (140, 221949), (147, 211380), (156, 199185), (180, 172627), (182, 170730), (195, 159348), (196, 158535), (210, 147966), (234, 132790), (245, 126828), (252, 123305), (260, 119511), (271, 114660), (273, 113820), (294, 105690), (315, 98644), (364, 85365), (390, 79674), (420, 73983), (441, 70460), (455, 68292), (468, 66395), (490, 63414), (542, 57330), (546, 56910), (585, 53116), (588, 52845), (630, 49322), (637, 48780), (735, 42276), (780, 39837), (813, 38220), (819, 37940), (882, 35230), (910, 34146), (980, 31707), (1084, 28665), (1092, 28455), (1170, 26558), (1260, 24661), (1274, 24390), (1355, 22932), (1365, 22764), (1470, 21138), (1626, 19110), (1638, 18970), (1764, 17615), (1820, 17073), (1897, 16380), (1911, 16260), (2205, 14092), (2340, 13279), (2439, 12740), (2548, 12195), (2710, 11466), (2730, 11382), (2940, 10569), (3185, 9756), (3252, 9555), (3276, 9485), (3523, 8820), (3794, 8190), (3822, 8130), (4065, 7644), (4095, 7588), (4410, 7046), (4878, 6370), (5420, 5733), (5460, 5691)]