81084780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1173

約数の個数: 192

約数和(自身を含む): 303744000

約数和(自身を除く): 222659220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1129, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2258, 2394, 2565, 2660, 3387, 3420, 3591, 3780, 3990, 4516, 4788, 5130, 5645, 5985, 6774, 7182, 7903, 7980, 10161, 10260, 11290, 11970, 13548, 14364, 15806, 16935, 17955, 20322, 21451, 22580, 23709, 23940, 30483, 31612, 33870, 35910, 39515, 40644, 42902, 47418, 50805, 60966, 64353, 67740, 71127, 71820, 79030, 85804, 94836, 101610, 107255, 118545, 121932, 128706, 142254, 150157, 152415, 158060, 193059, 203220, 213381, 214510, 237090, 257412, 284508, 300314, 304830, 321765, 355635, 386118, 426762, 429020, 450471, 474180, 579177, 600628, 609660, 643530, 711270, 750785, 772236, 853524, 900942, 965295, 1066905, 1158354, 1287060, 1351413, 1422540, 1501570, 1801884, 1930590, 2133810, 2252355, 2316708, 2702826, 2895885, 3003140, 3861180, 4054239, 4267620, 4504710, 5405652, 5791770, 6757065, 8108478, 9009420, 11583540, 13514130, 16216956, 20271195, 27028260, 40542390, 81084780]

約数ペア:

[(1, 81084780), (2, 40542390), (3, 27028260), (4, 20271195), (5, 16216956), (6, 13514130), (7, 11583540), (9, 9009420), (10, 8108478), (12, 6757065), (14, 5791770), (15, 5405652), (18, 4504710), (19, 4267620), (20, 4054239), (21, 3861180), (27, 3003140), (28, 2895885), (30, 2702826), (35, 2316708), (36, 2252355), (38, 2133810), (42, 1930590), (45, 1801884), (54, 1501570), (57, 1422540), (60, 1351413), (63, 1287060), (70, 1158354), (76, 1066905), (84, 965295), (90, 900942), (95, 853524), (105, 772236), (108, 750785), (114, 711270), (126, 643530), (133, 609660), (135, 600628), (140, 579177), (171, 474180), (180, 450471), (189, 429020), (190, 426762), (210, 386118), (228, 355635), (252, 321765), (266, 304830), (270, 300314), (285, 284508), (315, 257412), (342, 237090), (378, 214510), (380, 213381), (399, 203220), (420, 193059), (513, 158060), (532, 152415), (540, 150157), (570, 142254), (630, 128706), (665, 121932), (684, 118545), (756, 107255), (798, 101610), (855, 94836), (945, 85804), (1026, 79030), (1129, 71820), (1140, 71127), (1197, 67740), (1260, 64353), (1330, 60966), (1596, 50805), (1710, 47418), (1890, 42902), (1995, 40644), (2052, 39515), (2258, 35910), (2394, 33870), (2565, 31612), (2660, 30483), (3387, 23940), (3420, 23709), (3591, 22580), (3780, 21451), (3990, 20322), (4516, 17955), (4788, 16935), (5130, 15806), (5645, 14364), (5985, 13548), (6774, 11970), (7182, 11290), (7903, 10260), (7980, 10161)]