66979380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2065

約数の個数: 96

約数和(自身を含む): 206769024

約数和(自身を除く): 139789644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 390, 430, 516, 559, 645, 780, 860, 1118, 1290, 1677, 1997, 2236, 2580, 2795, 3354, 3994, 5590, 5991, 6708, 7988, 8385, 9985, 11180, 11982, 16770, 19970, 23964, 25961, 29955, 33540, 39940, 51922, 59910, 77883, 85871, 103844, 119820, 129805, 155766, 171742, 257613, 259610, 311532, 343484, 389415, 429355, 515226, 519220, 778830, 858710, 1030452, 1116323, 1288065, 1557660, 1717420, 2232646, 2576130, 3348969, 4465292, 5152260, 5581615, 6697938, 11163230, 13395876, 16744845, 22326460, 33489690, 66979380]

約数ペア:

[(1, 66979380), (2, 33489690), (3, 22326460), (4, 16744845), (5, 13395876), (6, 11163230), (10, 6697938), (12, 5581615), (13, 5152260), (15, 4465292), (20, 3348969), (26, 2576130), (30, 2232646), (39, 1717420), (43, 1557660), (52, 1288065), (60, 1116323), (65, 1030452), (78, 858710), (86, 778830), (129, 519220), (130, 515226), (156, 429355), (172, 389415), (195, 343484), (215, 311532), (258, 259610), (260, 257613), (390, 171742), (430, 155766), (516, 129805), (559, 119820), (645, 103844), (780, 85871), (860, 77883), (1118, 59910), (1290, 51922), (1677, 39940), (1997, 33540), (2236, 29955), (2580, 25961), (2795, 23964), (3354, 19970), (3994, 16770), (5590, 11982), (5991, 11180), (6708, 9985), (7988, 8385)]