74664660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 240065280

約数和(自身を除く): 165400620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 389, 420, 457, 778, 914, 1167, 1371, 1556, 1828, 1945, 2285, 2334, 2723, 2742, 3199, 3890, 4570, 4668, 5446, 5484, 5835, 6398, 6855, 7780, 8169, 9140, 9597, 10892, 11670, 12796, 13615, 13710, 15995, 16338, 19194, 23340, 27230, 27420, 31990, 32676, 38388, 40845, 47985, 54460, 63980, 81690, 95970, 163380, 177773, 191940, 355546, 533319, 711092, 888865, 1066638, 1244411, 1777730, 2133276, 2488822, 2666595, 3555460, 3733233, 4977644, 5333190, 6222055, 7466466, 10666380, 12444110, 14932932, 18666165, 24888220, 37332330, 74664660]

約数ペア:

[(1, 74664660), (2, 37332330), (3, 24888220), (4, 18666165), (5, 14932932), (6, 12444110), (7, 10666380), (10, 7466466), (12, 6222055), (14, 5333190), (15, 4977644), (20, 3733233), (21, 3555460), (28, 2666595), (30, 2488822), (35, 2133276), (42, 1777730), (60, 1244411), (70, 1066638), (84, 888865), (105, 711092), (140, 533319), (210, 355546), (389, 191940), (420, 177773), (457, 163380), (778, 95970), (914, 81690), (1167, 63980), (1371, 54460), (1556, 47985), (1828, 40845), (1945, 38388), (2285, 32676), (2334, 31990), (2723, 27420), (2742, 27230), (3199, 23340), (3890, 19194), (4570, 16338), (4668, 15995), (5446, 13710), (5484, 13615), (5835, 12796), (6398, 11670), (6855, 10892), (7780, 9597), (8169, 9140)]