18909228780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1483}}^1\times {\mathrm{5449}}^1$

素因数の和:6960

約数の個数: 144

約数和(自身を含む): 61823143200

約数和(自身を除く): 42913914420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1483, 2340, 2966, 4449, 5449, 5932, 7415, 8898, 10898, 13347, 14830, 16347, 17796, 19279, 21796, 22245, 26694, 27245, 29660, 32694, 38558, 44490, 49041, 53388, 54490, 57837, 65388, 66735, 70837, 77116, 81735, 88980, 96395, 98082, 108980, 115674, 133470, 141674, 163470, 173511, 192790, 196164, 212511, 231348, 245205, 266940, 283348, 289185, 326940, 347022, 354185, 385580, 425022, 490410, 578370, 637533, 694044, 708370, 850044, 867555, 980820, 1062555, 1156740, 1275066, 1416740, 1735110, 2125110, 2550132, 3187665, 3470220, 4250220, 6375330, 8080867, 12750660, 16161734, 24242601, 32323468, 40404335, 48485202, 72727803, 80808670, 96970404, 105051271, 121213005, 145455606, 161617340, 210102542, 242426010, 290911212, 315153813, 363639015, 420205084, 484852020, 525256355, 630307626, 727278030, 945461439, 1050512710, 1260615252, 1454556060, 1575769065, 1890922878, 2101025420, 3151538130, 3781845756, 4727307195, 6303076260, 9454614390, 18909228780]

約数ペア:

[(1, 18909228780), (2, 9454614390), (3, 6303076260), (4, 4727307195), (5, 3781845756), (6, 3151538130), (9, 2101025420), (10, 1890922878), (12, 1575769065), (13, 1454556060), (15, 1260615252), (18, 1050512710), (20, 945461439), (26, 727278030), (30, 630307626), (36, 525256355), (39, 484852020), (45, 420205084), (52, 363639015), (60, 315153813), (65, 290911212), (78, 242426010), (90, 210102542), (117, 161617340), (130, 145455606), (156, 121213005), (180, 105051271), (195, 96970404), (234, 80808670), (260, 72727803), (390, 48485202), (468, 40404335), (585, 32323468), (780, 24242601), (1170, 16161734), (1483, 12750660), (2340, 8080867), (2966, 6375330), (4449, 4250220), (5449, 3470220), (5932, 3187665), (7415, 2550132), (8898, 2125110), (10898, 1735110), (13347, 1416740), (14830, 1275066), (16347, 1156740), (17796, 1062555), (19279, 980820), (21796, 867555), (22245, 850044), (26694, 708370), (27245, 694044), (29660, 637533), (32694, 578370), (38558, 490410), (44490, 425022), (49041, 385580), (53388, 354185), (54490, 347022), (57837, 326940), (65388, 289185), (66735, 283348), (70837, 266940), (77116, 245205), (81735, 231348), (88980, 212511), (96395, 196164), (98082, 192790), (108980, 173511), (115674, 163470), (133470, 141674)]