67020720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21481}}^1$

素因数の和:21510

約数の個数: 80

約数和(自身を含む): 223756512

約数和(自身を除く): 156735792

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, 624, 780, 1040, 1560, 3120, 21481, 42962, 64443, 85924, 107405, 128886, 171848, 214810, 257772, 279253, 322215, 343696, 429620, 515544, 558506, 644430, 837759, 859240, 1031088, 1117012, 1288860, 1396265, 1675518, 1718480, 2234024, 2577720, 2792530, 3351036, 4188795, 4468048, 5155440, 5585060, 6702072, 8377590, 11170120, 13404144, 16755180, 22340240, 33510360, 67020720]

約数ペア:

[(1, 67020720), (2, 33510360), (3, 22340240), (4, 16755180), (5, 13404144), (6, 11170120), (8, 8377590), (10, 6702072), (12, 5585060), (13, 5155440), (15, 4468048), (16, 4188795), (20, 3351036), (24, 2792530), (26, 2577720), (30, 2234024), (39, 1718480), (40, 1675518), (48, 1396265), (52, 1288860), (60, 1117012), (65, 1031088), (78, 859240), (80, 837759), (104, 644430), (120, 558506), (130, 515544), (156, 429620), (195, 343696), (208, 322215), (240, 279253), (260, 257772), (312, 214810), (390, 171848), (520, 128886), (624, 107405), (780, 85924), (1040, 64443), (1560, 42962), (3120, 21481)]