261899820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 288

約数和(自身を含む): 998000640

約数和(自身を除く): 736100820

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, 52, 59, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 118, 126, 130, 140, 156, 177, 180, 182, 195, 210, 234, 236, 252, 260, 271, 273, 295, 315, 354, 364, 390, 413, 420, 455, 468, 531, 542, 546, 585, 590, 630, 708, 767, 780, 813, 819, 826, 885, 910, 1062, 1084, 1092, 1170, 1180, 1239, 1260, 1355, 1365, 1534, 1626, 1638, 1652, 1770, 1820, 1897, 2065, 2124, 2301, 2340, 2439, 2478, 2655, 2710, 2730, 3068, 3252, 3276, 3523, 3540, 3717, 3794, 3835, 4065, 4095, 4130, 4602, 4878, 4956, 5310, 5369, 5420, 5460, 5691, 6195, 6903, 7046, 7434, 7588, 7670, 8130, 8190, 8260, 9204, 9485, 9756, 10569, 10620, 10738, 11382, 11505, 12195, 12390, 13806, 14092, 14868, 15340, 15989, 16107, 16260, 16380, 17073, 17615, 18585, 18970, 21138, 21476, 22764, 23010, 24390, 24661, 24780, 26845, 27612, 28455, 31707, 31978, 32214, 34146, 34515, 35230, 37170, 37940, 42276, 46020, 47967, 48321, 48780, 49322, 52845, 53690, 56910, 63414, 63956, 64428, 68292, 69030, 70460, 73983, 74340, 79945, 80535, 85365, 95934, 96642, 98644, 105690, 107380, 111923, 113820, 123305, 126828, 138060, 143901, 147966, 158535, 159890, 161070, 170730, 191868, 193284, 207857, 211380, 221949, 223846, 239835, 241605, 246610, 287802, 295932, 317070, 319780, 322140, 335769, 341460, 369915, 415714, 443898, 447692, 479670, 483210, 493220, 559615, 575604, 623571, 634140, 671538, 719505, 739830, 831428, 887796, 959340, 966420, 1007307, 1039285, 1109745, 1119230, 1247142, 1343076, 1439010, 1454999, 1479660, 1678845, 1870713, 2014614, 2078570, 2219490, 2238460, 2494284, 2878020, 2909998, 3117855, 3357690, 3741426, 4029228, 4157140, 4364997, 4438980, 5036535, 5819996, 6235710, 6715380, 7274995, 7482852, 8729994, 9353565, 10073070, 12471420, 13094991, 14549990, 17459988, 18707130, 20146140, 21824985, 26189982, 29099980, 37414260, 43649970, 52379964, 65474955, 87299940, 130949910, 261899820]

約数ペア:

[(1, 261899820), (2, 130949910), (3, 87299940), (4, 65474955), (5, 52379964), (6, 43649970), (7, 37414260), (9, 29099980), (10, 26189982), (12, 21824985), (13, 20146140), (14, 18707130), (15, 17459988), (18, 14549990), (20, 13094991), (21, 12471420), (26, 10073070), (28, 9353565), (30, 8729994), (35, 7482852), (36, 7274995), (39, 6715380), (42, 6235710), (45, 5819996), (52, 5036535), (59, 4438980), (60, 4364997), (63, 4157140), (65, 4029228), (70, 3741426), (78, 3357690), (84, 3117855), (90, 2909998), (91, 2878020), (105, 2494284), (117, 2238460), (118, 2219490), (126, 2078570), (130, 2014614), (140, 1870713), (156, 1678845), (177, 1479660), (180, 1454999), (182, 1439010), (195, 1343076), (210, 1247142), (234, 1119230), (236, 1109745), (252, 1039285), (260, 1007307), (271, 966420), (273, 959340), (295, 887796), (315, 831428), (354, 739830), (364, 719505), (390, 671538), (413, 634140), (420, 623571), (455, 575604), (468, 559615), (531, 493220), (542, 483210), (546, 479670), (585, 447692), (590, 443898), (630, 415714), (708, 369915), (767, 341460), (780, 335769), (813, 322140), (819, 319780), (826, 317070), (885, 295932), (910, 287802), (1062, 246610), (1084, 241605), (1092, 239835), (1170, 223846), (1180, 221949), (1239, 211380), (1260, 207857), (1355, 193284), (1365, 191868), (1534, 170730), (1626, 161070), (1638, 159890), (1652, 158535), (1770, 147966), (1820, 143901), (1897, 138060), (2065, 126828), (2124, 123305), (2301, 113820), (2340, 111923), (2439, 107380), (2478, 105690), (2655, 98644), (2710, 96642), (2730, 95934), (3068, 85365), (3252, 80535), (3276, 79945), (3523, 74340), (3540, 73983), (3717, 70460), (3794, 69030), (3835, 68292), (4065, 64428), (4095, 63956), (4130, 63414), (4602, 56910), (4878, 53690), (4956, 52845), (5310, 49322), (5369, 48780), (5420, 48321), (5460, 47967), (5691, 46020), (6195, 42276), (6903, 37940), (7046, 37170), (7434, 35230), (7588, 34515), (7670, 34146), (8130, 32214), (8190, 31978), (8260, 31707), (9204, 28455), (9485, 27612), (9756, 26845), (10569, 24780), (10620, 24661), (10738, 24390), (11382, 23010), (11505, 22764), (12195, 21476), (12390, 21138), (13806, 18970), (14092, 18585), (14868, 17615), (15340, 17073), (15989, 16380), (16107, 16260)]