1620392880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:679

約数の個数: 160

約数和(自身を含む): 5114404800

約数和(自身を除く): 3494011920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 149, 226, 240, 298, 339, 401, 447, 452, 565, 596, 678, 745, 802, 894, 904, 1130, 1192, 1203, 1356, 1490, 1604, 1695, 1788, 1808, 2005, 2235, 2260, 2384, 2406, 2712, 2980, 3208, 3390, 3576, 4010, 4470, 4520, 4812, 5424, 5960, 6015, 6416, 6780, 7152, 8020, 8940, 9040, 9624, 11920, 12030, 13560, 16040, 16837, 17880, 19248, 24060, 27120, 32080, 33674, 35760, 45313, 48120, 50511, 59749, 67348, 84185, 90626, 96240, 101022, 119498, 134696, 135939, 168370, 179247, 181252, 202044, 226565, 238996, 252555, 269392, 271878, 298745, 336740, 358494, 362504, 404088, 453130, 477992, 505110, 543756, 597490, 673480, 679695, 716988, 725008, 808176, 896235, 906260, 955984, 1010220, 1087512, 1194980, 1346960, 1359390, 1433976, 1792470, 1812520, 2020440, 2175024, 2389960, 2718780, 2867952, 3584940, 3625040, 4040880, 4779920, 5437560, 6751637, 7169880, 10875120, 13503274, 14339760, 20254911, 27006548, 33758185, 40509822, 54013096, 67516370, 81019644, 101274555, 108026192, 135032740, 162039288, 202549110, 270065480, 324078576, 405098220, 540130960, 810196440, 1620392880]

約数ペア:

[(1, 1620392880), (2, 810196440), (3, 540130960), (4, 405098220), (5, 324078576), (6, 270065480), (8, 202549110), (10, 162039288), (12, 135032740), (15, 108026192), (16, 101274555), (20, 81019644), (24, 67516370), (30, 54013096), (40, 40509822), (48, 33758185), (60, 27006548), (80, 20254911), (113, 14339760), (120, 13503274), (149, 10875120), (226, 7169880), (240, 6751637), (298, 5437560), (339, 4779920), (401, 4040880), (447, 3625040), (452, 3584940), (565, 2867952), (596, 2718780), (678, 2389960), (745, 2175024), (802, 2020440), (894, 1812520), (904, 1792470), (1130, 1433976), (1192, 1359390), (1203, 1346960), (1356, 1194980), (1490, 1087512), (1604, 1010220), (1695, 955984), (1788, 906260), (1808, 896235), (2005, 808176), (2235, 725008), (2260, 716988), (2384, 679695), (2406, 673480), (2712, 597490), (2980, 543756), (3208, 505110), (3390, 477992), (3576, 453130), (4010, 404088), (4470, 362504), (4520, 358494), (4812, 336740), (5424, 298745), (5960, 271878), (6015, 269392), (6416, 252555), (6780, 238996), (7152, 226565), (8020, 202044), (8940, 181252), (9040, 179247), (9624, 168370), (11920, 135939), (12030, 134696), (13560, 119498), (16040, 101022), (16837, 96240), (17880, 90626), (19248, 84185), (24060, 67348), (27120, 59749), (32080, 50511), (33674, 48120), (35760, 45313)]