78386220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 270138960

約数和(自身を除く): 191752740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 59, 60, 61, 66, 90, 99, 110, 118, 121, 122, 132, 165, 177, 180, 183, 198, 220, 236, 242, 244, 295, 305, 330, 354, 363, 366, 396, 484, 495, 531, 549, 590, 605, 610, 649, 660, 671, 708, 726, 732, 885, 915, 990, 1062, 1089, 1098, 1180, 1210, 1220, 1298, 1342, 1452, 1770, 1815, 1830, 1947, 1980, 2013, 2124, 2178, 2196, 2420, 2596, 2655, 2684, 2745, 3245, 3355, 3540, 3599, 3630, 3660, 3894, 4026, 4356, 5310, 5445, 5490, 5841, 6039, 6490, 6710, 7139, 7198, 7260, 7381, 7788, 8052, 9735, 10065, 10620, 10797, 10890, 10980, 11682, 12078, 12980, 13420, 14278, 14396, 14762, 17995, 19470, 20130, 21417, 21594, 21780, 22143, 23364, 24156, 28556, 29205, 29524, 30195, 32391, 35695, 35990, 36905, 38940, 39589, 40260, 42834, 43188, 44286, 53985, 58410, 60390, 64251, 64782, 66429, 71390, 71980, 73810, 79178, 85668, 88572, 107085, 107970, 110715, 116820, 118767, 120780, 128502, 129564, 132858, 142780, 147620, 158356, 161955, 197945, 214170, 215940, 221430, 237534, 257004, 265716, 321255, 323910, 332145, 356301, 395890, 428340, 435479, 442860, 475068, 593835, 642510, 647820, 664290, 712602, 791780, 870958, 1187670, 1285020, 1306437, 1328580, 1425204, 1741916, 1781505, 2177395, 2375340, 2612874, 3563010, 3919311, 4354790, 5225748, 6532185, 7126020, 7838622, 8709580, 13064370, 15677244, 19596555, 26128740, 39193110, 78386220]

約数ペア:

[(1, 78386220), (2, 39193110), (3, 26128740), (4, 19596555), (5, 15677244), (6, 13064370), (9, 8709580), (10, 7838622), (11, 7126020), (12, 6532185), (15, 5225748), (18, 4354790), (20, 3919311), (22, 3563010), (30, 2612874), (33, 2375340), (36, 2177395), (44, 1781505), (45, 1741916), (55, 1425204), (59, 1328580), (60, 1306437), (61, 1285020), (66, 1187670), (90, 870958), (99, 791780), (110, 712602), (118, 664290), (121, 647820), (122, 642510), (132, 593835), (165, 475068), (177, 442860), (180, 435479), (183, 428340), (198, 395890), (220, 356301), (236, 332145), (242, 323910), (244, 321255), (295, 265716), (305, 257004), (330, 237534), (354, 221430), (363, 215940), (366, 214170), (396, 197945), (484, 161955), (495, 158356), (531, 147620), (549, 142780), (590, 132858), (605, 129564), (610, 128502), (649, 120780), (660, 118767), (671, 116820), (708, 110715), (726, 107970), (732, 107085), (885, 88572), (915, 85668), (990, 79178), (1062, 73810), (1089, 71980), (1098, 71390), (1180, 66429), (1210, 64782), (1220, 64251), (1298, 60390), (1342, 58410), (1452, 53985), (1770, 44286), (1815, 43188), (1830, 42834), (1947, 40260), (1980, 39589), (2013, 38940), (2124, 36905), (2178, 35990), (2196, 35695), (2420, 32391), (2596, 30195), (2655, 29524), (2684, 29205), (2745, 28556), (3245, 24156), (3355, 23364), (3540, 22143), (3599, 21780), (3630, 21594), (3660, 21417), (3894, 20130), (4026, 19470), (4356, 17995), (5310, 14762), (5445, 14396), (5490, 14278), (5841, 13420), (6039, 12980), (6490, 12078), (6710, 11682), (7139, 10980), (7198, 10890), (7260, 10797), (7381, 10620), (7788, 10065), (8052, 9735)]