87243420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 274294944

約数和(自身を除く): 187051524

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 61, 66, 110, 121, 122, 132, 165, 183, 197, 220, 242, 244, 305, 330, 363, 366, 394, 484, 591, 605, 610, 660, 671, 726, 732, 788, 915, 985, 1182, 1210, 1220, 1342, 1452, 1815, 1830, 1970, 2013, 2167, 2364, 2420, 2684, 2955, 3355, 3630, 3660, 3940, 4026, 4334, 5910, 6501, 6710, 7260, 7381, 8052, 8668, 10065, 10835, 11820, 12017, 13002, 13420, 14762, 20130, 21670, 22143, 23837, 24034, 26004, 29524, 32505, 36051, 36905, 40260, 43340, 44286, 47674, 48068, 60085, 65010, 71511, 72102, 73810, 88572, 95348, 110715, 119185, 120170, 130020, 132187, 143022, 144204, 147620, 180255, 221430, 238370, 240340, 264374, 286044, 357555, 360510, 396561, 442860, 476740, 528748, 660935, 715110, 721020, 793122, 1321870, 1430220, 1454057, 1586244, 1982805, 2643740, 2908114, 3965610, 4362171, 5816228, 7270285, 7931220, 8724342, 14540570, 17448684, 21810855, 29081140, 43621710, 87243420]

約数ペア:

[(1, 87243420), (2, 43621710), (3, 29081140), (4, 21810855), (5, 17448684), (6, 14540570), (10, 8724342), (11, 7931220), (12, 7270285), (15, 5816228), (20, 4362171), (22, 3965610), (30, 2908114), (33, 2643740), (44, 1982805), (55, 1586244), (60, 1454057), (61, 1430220), (66, 1321870), (110, 793122), (121, 721020), (122, 715110), (132, 660935), (165, 528748), (183, 476740), (197, 442860), (220, 396561), (242, 360510), (244, 357555), (305, 286044), (330, 264374), (363, 240340), (366, 238370), (394, 221430), (484, 180255), (591, 147620), (605, 144204), (610, 143022), (660, 132187), (671, 130020), (726, 120170), (732, 119185), (788, 110715), (915, 95348), (985, 88572), (1182, 73810), (1210, 72102), (1220, 71511), (1342, 65010), (1452, 60085), (1815, 48068), (1830, 47674), (1970, 44286), (2013, 43340), (2167, 40260), (2364, 36905), (2420, 36051), (2684, 32505), (2955, 29524), (3355, 26004), (3630, 24034), (3660, 23837), (3940, 22143), (4026, 21670), (4334, 20130), (5910, 14762), (6501, 13420), (6710, 13002), (7260, 12017), (7381, 11820), (8052, 10835), (8668, 10065)]