651206720

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 112

約数和(自身を含む): 1601193648

約数和(自身を除く): 949986928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 73, 80, 122, 146, 160, 244, 292, 305, 320, 365, 457, 488, 584, 610, 730, 914, 976, 1168, 1220, 1460, 1828, 1952, 2285, 2336, 2440, 2920, 3656, 3904, 4453, 4570, 4672, 4880, 5840, 7312, 8906, 9140, 9760, 11680, 14624, 17812, 18280, 19520, 22265, 23360, 27877, 29248, 33361, 35624, 36560, 44530, 55754, 66722, 71248, 73120, 89060, 111508, 133444, 139385, 142496, 146240, 166805, 178120, 223016, 266888, 278770, 284992, 333610, 356240, 446032, 533776, 557540, 667220, 712480, 892064, 1067552, 1115080, 1334440, 1424960, 1784128, 2035021, 2135104, 2230160, 2668880, 4070042, 4460320, 5337760, 8140084, 8920640, 10175105, 10675520, 16280168, 20350210, 32560336, 40700420, 65120672, 81400840, 130241344, 162801680, 325603360, 651206720]

約数ペア:

[(1, 651206720), (2, 325603360), (4, 162801680), (5, 130241344), (8, 81400840), (10, 65120672), (16, 40700420), (20, 32560336), (32, 20350210), (40, 16280168), (61, 10675520), (64, 10175105), (73, 8920640), (80, 8140084), (122, 5337760), (146, 4460320), (160, 4070042), (244, 2668880), (292, 2230160), (305, 2135104), (320, 2035021), (365, 1784128), (457, 1424960), (488, 1334440), (584, 1115080), (610, 1067552), (730, 892064), (914, 712480), (976, 667220), (1168, 557540), (1220, 533776), (1460, 446032), (1828, 356240), (1952, 333610), (2285, 284992), (2336, 278770), (2440, 266888), (2920, 223016), (3656, 178120), (3904, 166805), (4453, 146240), (4570, 142496), (4672, 139385), (4880, 133444), (5840, 111508), (7312, 89060), (8906, 73120), (9140, 71248), (9760, 66722), (11680, 55754), (14624, 44530), (17812, 36560), (18280, 35624), (19520, 33361), (22265, 29248), (23360, 27877)]