66560520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42667}}^1$

素因数の和:42694

約数の個数: 64

約数和(自身を含む): 215046720

約数和(自身を除く): 148486200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42667, 85334, 128001, 170668, 213335, 256002, 341336, 426670, 512004, 554671, 640005, 853340, 1024008, 1109342, 1280010, 1664013, 1706680, 2218684, 2560020, 2773355, 3328026, 4437368, 5120040, 5546710, 6656052, 8320065, 11093420, 13312104, 16640130, 22186840, 33280260, 66560520]

約数ペア:

[(1, 66560520), (2, 33280260), (3, 22186840), (4, 16640130), (5, 13312104), (6, 11093420), (8, 8320065), (10, 6656052), (12, 5546710), (13, 5120040), (15, 4437368), (20, 3328026), (24, 2773355), (26, 2560020), (30, 2218684), (39, 1706680), (40, 1664013), (52, 1280010), (60, 1109342), (65, 1024008), (78, 853340), (104, 640005), (120, 554671), (130, 512004), (156, 426670), (195, 341336), (260, 256002), (312, 213335), (390, 170668), (520, 128001), (780, 85334), (1560, 42667)]