78457080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2647}}^1$

素因数の和:2693

約数の個数: 128

約数和(自身を含む): 266918400

約数和(自身を除く): 188461320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2647, 2964, 3705, 4940, 5294, 5928, 7410, 7941, 9880, 10588, 13235, 14820, 15882, 21176, 26470, 29640, 31764, 34411, 39705, 50293, 52940, 63528, 68822, 79410, 100586, 103233, 105880, 137644, 150879, 158820, 172055, 201172, 206466, 251465, 275288, 301758, 317640, 344110, 402344, 412932, 502930, 516165, 603516, 653809, 688220, 754395, 825864, 1005860, 1032330, 1207032, 1307618, 1376440, 1508790, 1961427, 2011720, 2064660, 2615236, 3017580, 3269045, 3922854, 4129320, 5230472, 6035160, 6538090, 7845708, 9807135, 13076180, 15691416, 19614270, 26152360, 39228540, 78457080]

約数ペア:

[(1, 78457080), (2, 39228540), (3, 26152360), (4, 19614270), (5, 15691416), (6, 13076180), (8, 9807135), (10, 7845708), (12, 6538090), (13, 6035160), (15, 5230472), (19, 4129320), (20, 3922854), (24, 3269045), (26, 3017580), (30, 2615236), (38, 2064660), (39, 2011720), (40, 1961427), (52, 1508790), (57, 1376440), (60, 1307618), (65, 1207032), (76, 1032330), (78, 1005860), (95, 825864), (104, 754395), (114, 688220), (120, 653809), (130, 603516), (152, 516165), (156, 502930), (190, 412932), (195, 402344), (228, 344110), (247, 317640), (260, 301758), (285, 275288), (312, 251465), (380, 206466), (390, 201172), (456, 172055), (494, 158820), (520, 150879), (570, 137644), (741, 105880), (760, 103233), (780, 100586), (988, 79410), (1140, 68822), (1235, 63528), (1482, 52940), (1560, 50293), (1976, 39705), (2280, 34411), (2470, 31764), (2647, 29640), (2964, 26470), (3705, 21176), (4940, 15882), (5294, 14820), (5928, 13235), (7410, 10588), (7941, 9880)]