1771120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 60

約数和(自身を含む): 4493016

約数和(自身を除く): 2721896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 169, 208, 260, 262, 338, 520, 524, 655, 676, 845, 1040, 1048, 1310, 1352, 1690, 1703, 2096, 2620, 2704, 3380, 3406, 5240, 6760, 6812, 8515, 10480, 13520, 13624, 17030, 22139, 27248, 34060, 44278, 68120, 88556, 110695, 136240, 177112, 221390, 354224, 442780, 885560, 1771120]

約数ペア:

[(1, 1771120), (2, 885560), (4, 442780), (5, 354224), (8, 221390), (10, 177112), (13, 136240), (16, 110695), (20, 88556), (26, 68120), (40, 44278), (52, 34060), (65, 27248), (80, 22139), (104, 17030), (130, 13624), (131, 13520), (169, 10480), (208, 8515), (260, 6812), (262, 6760), (338, 5240), (520, 3406), (524, 3380), (655, 2704), (676, 2620), (845, 2096), (1040, 1703), (1048, 1690), (1310, 1352)]