261730260

素因数分解:

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

素因数の和:295

約数の個数: 216

約数和(自身を含む): 891458568

約数和(自身を除く): 629728308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 121, 122, 132, 165, 180, 183, 197, 198, 220, 242, 244, 305, 330, 363, 366, 394, 396, 484, 495, 549, 591, 605, 610, 660, 671, 726, 732, 788, 915, 985, 990, 1089, 1098, 1182, 1210, 1220, 1342, 1452, 1773, 1815, 1830, 1970, 1980, 2013, 2167, 2178, 2196, 2364, 2420, 2684, 2745, 2955, 3355, 3546, 3630, 3660, 3940, 4026, 4334, 4356, 5445, 5490, 5910, 6039, 6501, 6710, 7092, 7260, 7381, 8052, 8668, 8865, 10065, 10835, 10890, 10980, 11820, 12017, 12078, 13002, 13420, 14762, 17730, 19503, 20130, 21670, 21780, 22143, 23837, 24034, 24156, 26004, 29524, 30195, 32505, 35460, 36051, 36905, 39006, 40260, 43340, 44286, 47674, 48068, 60085, 60390, 65010, 66429, 71511, 72102, 73810, 78012, 88572, 95348, 97515, 108153, 110715, 119185, 120170, 120780, 130020, 132187, 132858, 143022, 144204, 147620, 180255, 195030, 214533, 216306, 221430, 238370, 240340, 264374, 265716, 286044, 332145, 357555, 360510, 390060, 396561, 429066, 432612, 442860, 476740, 528748, 540765, 660935, 664290, 715110, 721020, 793122, 858132, 1072665, 1081530, 1189683, 1321870, 1328580, 1430220, 1454057, 1586244, 1982805, 2145330, 2163060, 2379366, 2643740, 2908114, 3965610, 4290660, 4362171, 4758732, 5816228, 5948415, 7270285, 7931220, 8724342, 11896830, 13086513, 14540570, 17448684, 21810855, 23793660, 26173026, 29081140, 43621710, 52346052, 65432565, 87243420, 130865130, 261730260]

約数ペア:

[(1, 261730260), (2, 130865130), (3, 87243420), (4, 65432565), (5, 52346052), (6, 43621710), (9, 29081140), (10, 26173026), (11, 23793660), (12, 21810855), (15, 17448684), (18, 14540570), (20, 13086513), (22, 11896830), (30, 8724342), (33, 7931220), (36, 7270285), (44, 5948415), (45, 5816228), (55, 4758732), (60, 4362171), (61, 4290660), (66, 3965610), (90, 2908114), (99, 2643740), (110, 2379366), (121, 2163060), (122, 2145330), (132, 1982805), (165, 1586244), (180, 1454057), (183, 1430220), (197, 1328580), (198, 1321870), (220, 1189683), (242, 1081530), (244, 1072665), (305, 858132), (330, 793122), (363, 721020), (366, 715110), (394, 664290), (396, 660935), (484, 540765), (495, 528748), (549, 476740), (591, 442860), (605, 432612), (610, 429066), (660, 396561), (671, 390060), (726, 360510), (732, 357555), (788, 332145), (915, 286044), (985, 265716), (990, 264374), (1089, 240340), (1098, 238370), (1182, 221430), (1210, 216306), (1220, 214533), (1342, 195030), (1452, 180255), (1773, 147620), (1815, 144204), (1830, 143022), (1970, 132858), (1980, 132187), (2013, 130020), (2167, 120780), (2178, 120170), (2196, 119185), (2364, 110715), (2420, 108153), (2684, 97515), (2745, 95348), (2955, 88572), (3355, 78012), (3546, 73810), (3630, 72102), (3660, 71511), (3940, 66429), (4026, 65010), (4334, 60390), (4356, 60085), (5445, 48068), (5490, 47674), (5910, 44286), (6039, 43340), (6501, 40260), (6710, 39006), (7092, 36905), (7260, 36051), (7381, 35460), (8052, 32505), (8668, 30195), (8865, 29524), (10065, 26004), (10835, 24156), (10890, 24034), (10980, 23837), (11820, 22143), (12017, 21780), (12078, 21670), (13002, 20130), (13420, 19503), (14762, 17730)]