1687920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 5645472

約数和(自身を除く): 3957552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 541, 624, 780, 1040, 1082, 1560, 1623, 2164, 2705, 3120, 3246, 4328, 5410, 6492, 7033, 8115, 8656, 10820, 12984, 14066, 16230, 21099, 21640, 25968, 28132, 32460, 35165, 42198, 43280, 56264, 64920, 70330, 84396, 105495, 112528, 129840, 140660, 168792, 210990, 281320, 337584, 421980, 562640, 843960, 1687920]

約数ペア:

[(1, 1687920), (2, 843960), (3, 562640), (4, 421980), (5, 337584), (6, 281320), (8, 210990), (10, 168792), (12, 140660), (13, 129840), (15, 112528), (16, 105495), (20, 84396), (24, 70330), (26, 64920), (30, 56264), (39, 43280), (40, 42198), (48, 35165), (52, 32460), (60, 28132), (65, 25968), (78, 21640), (80, 21099), (104, 16230), (120, 14066), (130, 12984), (156, 10820), (195, 8656), (208, 8115), (240, 7033), (260, 6492), (312, 5410), (390, 4328), (520, 3246), (541, 3120), (624, 2705), (780, 2164), (1040, 1623), (1082, 1560)]