1631760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 5457984

約数和(自身を除く): 3826224

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, 523, 624, 780, 1040, 1046, 1560, 1569, 2092, 2615, 3120, 3138, 4184, 5230, 6276, 6799, 7845, 8368, 10460, 12552, 13598, 15690, 20397, 20920, 25104, 27196, 31380, 33995, 40794, 41840, 54392, 62760, 67990, 81588, 101985, 108784, 125520, 135980, 163176, 203970, 271960, 326352, 407940, 543920, 815880, 1631760]

約数ペア:

[(1, 1631760), (2, 815880), (3, 543920), (4, 407940), (5, 326352), (6, 271960), (8, 203970), (10, 163176), (12, 135980), (13, 125520), (15, 108784), (16, 101985), (20, 81588), (24, 67990), (26, 62760), (30, 54392), (39, 41840), (40, 40794), (48, 33995), (52, 31380), (60, 27196), (65, 25104), (78, 20920), (80, 20397), (104, 15690), (120, 13598), (130, 12552), (156, 10460), (195, 8368), (208, 7845), (240, 6799), (260, 6276), (312, 5230), (390, 4184), (520, 3138), (523, 3120), (624, 2615), (780, 2092), (1040, 1569), (1046, 1560)]