280257360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 160

約数和(自身を含む): 906608640

約数和(自身を除く): 626351280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 139, 155, 186, 240, 248, 271, 278, 310, 372, 417, 465, 496, 542, 556, 620, 695, 744, 813, 834, 930, 1084, 1112, 1240, 1355, 1390, 1488, 1626, 1668, 1860, 2085, 2168, 2224, 2480, 2710, 2780, 3252, 3336, 3720, 4065, 4170, 4309, 4336, 5420, 5560, 6504, 6672, 7440, 8130, 8340, 8401, 8618, 10840, 11120, 12927, 13008, 16260, 16680, 16802, 17236, 21545, 21680, 25203, 25854, 32520, 33360, 33604, 34472, 37669, 42005, 43090, 50406, 51708, 64635, 65040, 67208, 68944, 75338, 84010, 86180, 100812, 103416, 113007, 126015, 129270, 134416, 150676, 168020, 172360, 188345, 201624, 206832, 226014, 252030, 258540, 301352, 336040, 344720, 376690, 403248, 452028, 504060, 517080, 565035, 602704, 672080, 753380, 904056, 1008120, 1034160, 1130070, 1167739, 1506760, 1808112, 2016240, 2260140, 2335478, 3013520, 3503217, 4520280, 4670956, 5838695, 7006434, 9040560, 9341912, 11677390, 14012868, 17516085, 18683824, 23354780, 28025736, 35032170, 46709560, 56051472, 70064340, 93419120, 140128680, 280257360]

約数ペア:

[(1, 280257360), (2, 140128680), (3, 93419120), (4, 70064340), (5, 56051472), (6, 46709560), (8, 35032170), (10, 28025736), (12, 23354780), (15, 18683824), (16, 17516085), (20, 14012868), (24, 11677390), (30, 9341912), (31, 9040560), (40, 7006434), (48, 5838695), (60, 4670956), (62, 4520280), (80, 3503217), (93, 3013520), (120, 2335478), (124, 2260140), (139, 2016240), (155, 1808112), (186, 1506760), (240, 1167739), (248, 1130070), (271, 1034160), (278, 1008120), (310, 904056), (372, 753380), (417, 672080), (465, 602704), (496, 565035), (542, 517080), (556, 504060), (620, 452028), (695, 403248), (744, 376690), (813, 344720), (834, 336040), (930, 301352), (1084, 258540), (1112, 252030), (1240, 226014), (1355, 206832), (1390, 201624), (1488, 188345), (1626, 172360), (1668, 168020), (1860, 150676), (2085, 134416), (2168, 129270), (2224, 126015), (2480, 113007), (2710, 103416), (2780, 100812), (3252, 86180), (3336, 84010), (3720, 75338), (4065, 68944), (4170, 67208), (4309, 65040), (4336, 64635), (5420, 51708), (5560, 50406), (6504, 43090), (6672, 42005), (7440, 37669), (8130, 34472), (8340, 33604), (8401, 33360), (8618, 32520), (10840, 25854), (11120, 25203), (12927, 21680), (13008, 21545), (16260, 17236), (16680, 16802)]