1687000980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{39769}}^1$

素因数の和:39889

約数の個数: 96

約数和(自身を含む): 5451989760

約数和(自身を除く): 3764988780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 1010, 1212, 1414, 1515, 2020, 2121, 2828, 3030, 3535, 4242, 6060, 7070, 8484, 10605, 14140, 21210, 39769, 42420, 79538, 119307, 159076, 198845, 238614, 278383, 397690, 477228, 556766, 596535, 795380, 835149, 1113532, 1193070, 1391915, 1670298, 2386140, 2783830, 3340596, 4016669, 4175745, 5567660, 8033338, 8351490, 12050007, 16066676, 16702980, 20083345, 24100014, 28116683, 40166690, 48200028, 56233366, 60250035, 80333380, 84350049, 112466732, 120500070, 140583415, 168700098, 241000140, 281166830, 337400196, 421750245, 562333660, 843500490, 1687000980]

約数ペア:

[(1, 1687000980), (2, 843500490), (3, 562333660), (4, 421750245), (5, 337400196), (6, 281166830), (7, 241000140), (10, 168700098), (12, 140583415), (14, 120500070), (15, 112466732), (20, 84350049), (21, 80333380), (28, 60250035), (30, 56233366), (35, 48200028), (42, 40166690), (60, 28116683), (70, 24100014), (84, 20083345), (101, 16702980), (105, 16066676), (140, 12050007), (202, 8351490), (210, 8033338), (303, 5567660), (404, 4175745), (420, 4016669), (505, 3340596), (606, 2783830), (707, 2386140), (1010, 1670298), (1212, 1391915), (1414, 1193070), (1515, 1113532), (2020, 835149), (2121, 795380), (2828, 596535), (3030, 556766), (3535, 477228), (4242, 397690), (6060, 278383), (7070, 238614), (8484, 198845), (10605, 159076), (14140, 119307), (21210, 79538), (39769, 42420)]