61880520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39667}}^1$

素因数の和:39694

約数の個数: 64

約数和(自身を含む): 199926720

約数和(自身を除く): 138046200

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, 39667, 79334, 119001, 158668, 198335, 238002, 317336, 396670, 476004, 515671, 595005, 793340, 952008, 1031342, 1190010, 1547013, 1586680, 2062684, 2380020, 2578355, 3094026, 4125368, 4760040, 5156710, 6188052, 7735065, 10313420, 12376104, 15470130, 20626840, 30940260, 61880520]

約数ペア:

[(1, 61880520), (2, 30940260), (3, 20626840), (4, 15470130), (5, 12376104), (6, 10313420), (8, 7735065), (10, 6188052), (12, 5156710), (13, 4760040), (15, 4125368), (20, 3094026), (24, 2578355), (26, 2380020), (30, 2062684), (39, 1586680), (40, 1547013), (52, 1190010), (60, 1031342), (65, 952008), (78, 793340), (104, 595005), (120, 515671), (130, 476004), (156, 396670), (195, 317336), (260, 238002), (312, 198335), (390, 158668), (520, 119001), (780, 79334), (1560, 39667)]