66509560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 172730880

約数和(自身を除く): 106221320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 83, 92, 104, 115, 130, 134, 166, 184, 230, 260, 268, 299, 332, 335, 415, 460, 520, 536, 598, 664, 670, 830, 871, 920, 1079, 1196, 1340, 1495, 1541, 1660, 1742, 1909, 2158, 2392, 2680, 2990, 3082, 3320, 3484, 3818, 4316, 4355, 5395, 5561, 5980, 6164, 6968, 7636, 7705, 8632, 8710, 9545, 10790, 11122, 11960, 12328, 15272, 15410, 17420, 19090, 20033, 21580, 22244, 24817, 27805, 30820, 34840, 38180, 40066, 43160, 44488, 49634, 55610, 61640, 72293, 76360, 80132, 99268, 100165, 111220, 124085, 127903, 144586, 160264, 198536, 200330, 222440, 248170, 255806, 289172, 361465, 400660, 496340, 511612, 578344, 639515, 722930, 801320, 992680, 1023224, 1279030, 1445860, 1662739, 2558060, 2891720, 3325478, 5116120, 6650956, 8313695, 13301912, 16627390, 33254780, 66509560]

約数ペア:

[(1, 66509560), (2, 33254780), (4, 16627390), (5, 13301912), (8, 8313695), (10, 6650956), (13, 5116120), (20, 3325478), (23, 2891720), (26, 2558060), (40, 1662739), (46, 1445860), (52, 1279030), (65, 1023224), (67, 992680), (83, 801320), (92, 722930), (104, 639515), (115, 578344), (130, 511612), (134, 496340), (166, 400660), (184, 361465), (230, 289172), (260, 255806), (268, 248170), (299, 222440), (332, 200330), (335, 198536), (415, 160264), (460, 144586), (520, 127903), (536, 124085), (598, 111220), (664, 100165), (670, 99268), (830, 80132), (871, 76360), (920, 72293), (1079, 61640), (1196, 55610), (1340, 49634), (1495, 44488), (1541, 43160), (1660, 40066), (1742, 38180), (1909, 34840), (2158, 30820), (2392, 27805), (2680, 24817), (2990, 22244), (3082, 21580), (3320, 20033), (3484, 19090), (3818, 17420), (4316, 15410), (4355, 15272), (5395, 12328), (5561, 11960), (5980, 11122), (6164, 10790), (6968, 9545), (7636, 8710), (7705, 8632)]