249726080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 633346560

約数和(自身を除く): 383620480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 307, 310, 320, 328, 410, 496, 614, 620, 640, 656, 820, 992, 1228, 1240, 1271, 1312, 1535, 1640, 1984, 2456, 2480, 2542, 2624, 3070, 3280, 3968, 4912, 4960, 5084, 5248, 6140, 6355, 6560, 9517, 9824, 9920, 10168, 12280, 12587, 12710, 13120, 19034, 19648, 19840, 20336, 24560, 25174, 25420, 26240, 38068, 39296, 40672, 47585, 49120, 50348, 50840, 62935, 76136, 81344, 95170, 98240, 100696, 101680, 125870, 152272, 162688, 190340, 196480, 201392, 203360, 251740, 304544, 380680, 390197, 402784, 406720, 503480, 609088, 761360, 780394, 805568, 813440, 1006960, 1218176, 1522720, 1560788, 1611136, 1950985, 2013920, 3045440, 3121576, 3901970, 4027840, 6090880, 6243152, 7803940, 8055680, 12486304, 15607880, 24972608, 31215760, 49945216, 62431520, 124863040, 249726080]

約数ペア:

[(1, 249726080), (2, 124863040), (4, 62431520), (5, 49945216), (8, 31215760), (10, 24972608), (16, 15607880), (20, 12486304), (31, 8055680), (32, 7803940), (40, 6243152), (41, 6090880), (62, 4027840), (64, 3901970), (80, 3121576), (82, 3045440), (124, 2013920), (128, 1950985), (155, 1611136), (160, 1560788), (164, 1522720), (205, 1218176), (248, 1006960), (307, 813440), (310, 805568), (320, 780394), (328, 761360), (410, 609088), (496, 503480), (614, 406720), (620, 402784), (640, 390197), (656, 380680), (820, 304544), (992, 251740), (1228, 203360), (1240, 201392), (1271, 196480), (1312, 190340), (1535, 162688), (1640, 152272), (1984, 125870), (2456, 101680), (2480, 100696), (2542, 98240), (2624, 95170), (3070, 81344), (3280, 76136), (3968, 62935), (4912, 50840), (4960, 50348), (5084, 49120), (5248, 47585), (6140, 40672), (6355, 39296), (6560, 38068), (9517, 26240), (9824, 25420), (9920, 25174), (10168, 24560), (12280, 20336), (12587, 19840), (12710, 19648), (13120, 19034)]