66542320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{587}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 168426720

約数和(自身を除く): 101884400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 587, 872, 1040, 1090, 1174, 1417, 1744, 2180, 2348, 2834, 2935, 4360, 4696, 5668, 5870, 7085, 7631, 8720, 9392, 11336, 11740, 14170, 15262, 22672, 23480, 28340, 30524, 38155, 46960, 56680, 61048, 63983, 76310, 113360, 122096, 127966, 152620, 255932, 305240, 319915, 511864, 610480, 639830, 831779, 1023728, 1279660, 1663558, 2559320, 3327116, 4158895, 5118640, 6654232, 8317790, 13308464, 16635580, 33271160, 66542320]

約数ペア:

[(1, 66542320), (2, 33271160), (4, 16635580), (5, 13308464), (8, 8317790), (10, 6654232), (13, 5118640), (16, 4158895), (20, 3327116), (26, 2559320), (40, 1663558), (52, 1279660), (65, 1023728), (80, 831779), (104, 639830), (109, 610480), (130, 511864), (208, 319915), (218, 305240), (260, 255932), (436, 152620), (520, 127966), (545, 122096), (587, 113360), (872, 76310), (1040, 63983), (1090, 61048), (1174, 56680), (1417, 46960), (1744, 38155), (2180, 30524), (2348, 28340), (2834, 23480), (2935, 22672), (4360, 15262), (4696, 14170), (5668, 11740), (5870, 11336), (7085, 9392), (7631, 8720)]