68601780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1590

約数の個数: 144

約数和(自身を含む): 236046720

約数和(自身を除く): 167444940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1543, 1710, 2223, 2340, 2470, 2964, 3086, 3420, 3705, 4446, 4629, 4940, 6172, 7410, 7715, 8892, 9258, 11115, 13887, 14820, 15430, 18516, 20059, 22230, 23145, 27774, 29317, 30860, 40118, 44460, 46290, 55548, 58634, 60177, 69435, 80236, 87951, 92580, 100295, 117268, 120354, 138870, 146585, 175902, 180531, 200590, 240708, 263853, 277740, 293170, 300885, 351804, 361062, 381121, 401180, 439755, 527706, 586340, 601770, 722124, 762242, 879510, 902655, 1055412, 1143363, 1203540, 1319265, 1524484, 1759020, 1805310, 1905605, 2286726, 2638530, 3430089, 3610620, 3811210, 4573452, 5277060, 5716815, 6860178, 7622420, 11433630, 13720356, 17150445, 22867260, 34300890, 68601780]

約数ペア:

[(1, 68601780), (2, 34300890), (3, 22867260), (4, 17150445), (5, 13720356), (6, 11433630), (9, 7622420), (10, 6860178), (12, 5716815), (13, 5277060), (15, 4573452), (18, 3811210), (19, 3610620), (20, 3430089), (26, 2638530), (30, 2286726), (36, 1905605), (38, 1805310), (39, 1759020), (45, 1524484), (52, 1319265), (57, 1203540), (60, 1143363), (65, 1055412), (76, 902655), (78, 879510), (90, 762242), (95, 722124), (114, 601770), (117, 586340), (130, 527706), (156, 439755), (171, 401180), (180, 381121), (190, 361062), (195, 351804), (228, 300885), (234, 293170), (247, 277740), (260, 263853), (285, 240708), (342, 200590), (380, 180531), (390, 175902), (468, 146585), (494, 138870), (570, 120354), (585, 117268), (684, 100295), (741, 92580), (780, 87951), (855, 80236), (988, 69435), (1140, 60177), (1170, 58634), (1235, 55548), (1482, 46290), (1543, 44460), (1710, 40118), (2223, 30860), (2340, 29317), (2470, 27774), (2964, 23145), (3086, 22230), (3420, 20059), (3705, 18516), (4446, 15430), (4629, 14820), (4940, 13887), (6172, 11115), (7410, 9258), (7715, 8892)]