77757720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 243613440

約数和(自身を除く): 165855720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 83, 111, 120, 148, 166, 185, 211, 222, 249, 296, 332, 370, 415, 422, 444, 498, 555, 633, 664, 740, 830, 844, 888, 996, 1055, 1110, 1245, 1266, 1480, 1660, 1688, 1992, 2110, 2220, 2490, 2532, 3071, 3165, 3320, 4220, 4440, 4980, 5064, 6142, 6330, 7807, 8440, 9213, 9960, 12284, 12660, 15355, 15614, 17513, 18426, 23421, 24568, 25320, 30710, 31228, 35026, 36852, 39035, 46065, 46842, 52539, 61420, 62456, 70052, 73704, 78070, 87565, 92130, 93684, 105078, 117105, 122840, 140104, 156140, 175130, 184260, 187368, 210156, 234210, 262695, 312280, 350260, 368520, 420312, 468420, 525390, 647981, 700520, 936840, 1050780, 1295962, 1943943, 2101560, 2591924, 3239905, 3887886, 5183848, 6479810, 7775772, 9719715, 12959620, 15551544, 19439430, 25919240, 38878860, 77757720]

約数ペア:

[(1, 77757720), (2, 38878860), (3, 25919240), (4, 19439430), (5, 15551544), (6, 12959620), (8, 9719715), (10, 7775772), (12, 6479810), (15, 5183848), (20, 3887886), (24, 3239905), (30, 2591924), (37, 2101560), (40, 1943943), (60, 1295962), (74, 1050780), (83, 936840), (111, 700520), (120, 647981), (148, 525390), (166, 468420), (185, 420312), (211, 368520), (222, 350260), (249, 312280), (296, 262695), (332, 234210), (370, 210156), (415, 187368), (422, 184260), (444, 175130), (498, 156140), (555, 140104), (633, 122840), (664, 117105), (740, 105078), (830, 93684), (844, 92130), (888, 87565), (996, 78070), (1055, 73704), (1110, 70052), (1245, 62456), (1266, 61420), (1480, 52539), (1660, 46842), (1688, 46065), (1992, 39035), (2110, 36852), (2220, 35026), (2490, 31228), (2532, 30710), (3071, 25320), (3165, 24568), (3320, 23421), (4220, 18426), (4440, 17513), (4980, 15614), (5064, 15355), (6142, 12660), (6330, 12284), (7807, 9960), (8440, 9213)]