127920780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54667}}^1$

素因数の和:54695

約数の個数: 72

約数和(自身を含む): 417882192

約数和(自身を除く): 289961412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 54667, 109334, 164001, 218668, 273335, 328002, 492003, 546670, 656004, 710671, 820005, 984006, 1093340, 1421342, 1640010, 1968012, 2132013, 2460015, 2842684, 3280020, 3553355, 4264026, 4920030, 6396039, 7106710, 8528052, 9840060, 10660065, 12792078, 14213420, 21320130, 25584156, 31980195, 42640260, 63960390, 127920780]

約数ペア:

[(1, 127920780), (2, 63960390), (3, 42640260), (4, 31980195), (5, 25584156), (6, 21320130), (9, 14213420), (10, 12792078), (12, 10660065), (13, 9840060), (15, 8528052), (18, 7106710), (20, 6396039), (26, 4920030), (30, 4264026), (36, 3553355), (39, 3280020), (45, 2842684), (52, 2460015), (60, 2132013), (65, 1968012), (78, 1640010), (90, 1421342), (117, 1093340), (130, 984006), (156, 820005), (180, 710671), (195, 656004), (234, 546670), (260, 492003), (390, 328002), (468, 273335), (585, 218668), (780, 164001), (1170, 109334), (2340, 54667)]