17620740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 56410200

約数和(自身を除く): 38789460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 149, 162, 180, 219, 270, 292, 298, 324, 365, 405, 438, 447, 540, 596, 657, 730, 745, 810, 876, 894, 1095, 1314, 1341, 1460, 1490, 1620, 1788, 1971, 2190, 2235, 2628, 2682, 2980, 3285, 3942, 4023, 4380, 4470, 5364, 5913, 6570, 6705, 7884, 8046, 8940, 9855, 10877, 11826, 12069, 13140, 13410, 16092, 19710, 20115, 21754, 23652, 24138, 26820, 29565, 32631, 39420, 40230, 43508, 48276, 54385, 59130, 60345, 65262, 80460, 97893, 108770, 118260, 120690, 130524, 163155, 195786, 217540, 241380, 293679, 326310, 391572, 489465, 587358, 652620, 881037, 978930, 1174716, 1468395, 1762074, 1957860, 2936790, 3524148, 4405185, 5873580, 8810370, 17620740]

約数ペア:

[(1, 17620740), (2, 8810370), (3, 5873580), (4, 4405185), (5, 3524148), (6, 2936790), (9, 1957860), (10, 1762074), (12, 1468395), (15, 1174716), (18, 978930), (20, 881037), (27, 652620), (30, 587358), (36, 489465), (45, 391572), (54, 326310), (60, 293679), (73, 241380), (81, 217540), (90, 195786), (108, 163155), (135, 130524), (146, 120690), (149, 118260), (162, 108770), (180, 97893), (219, 80460), (270, 65262), (292, 60345), (298, 59130), (324, 54385), (365, 48276), (405, 43508), (438, 40230), (447, 39420), (540, 32631), (596, 29565), (657, 26820), (730, 24138), (745, 23652), (810, 21754), (876, 20115), (894, 19710), (1095, 16092), (1314, 13410), (1341, 13140), (1460, 12069), (1490, 11826), (1620, 10877), (1788, 9855), (1971, 8940), (2190, 8046), (2235, 7884), (2628, 6705), (2682, 6570), (2980, 5913), (3285, 5364), (3942, 4470), (4023, 4380)]