648478560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 2151152640

約数和(自身を除く): 1502674080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 151, 160, 184, 230, 240, 276, 302, 345, 368, 389, 453, 460, 480, 552, 604, 690, 736, 755, 778, 906, 920, 1104, 1167, 1208, 1380, 1510, 1556, 1812, 1840, 1945, 2208, 2265, 2334, 2416, 2760, 3020, 3112, 3473, 3624, 3680, 3890, 4530, 4668, 4832, 5520, 5835, 6040, 6224, 6946, 7248, 7780, 8947, 9060, 9336, 10419, 11040, 11670, 12080, 12448, 13892, 14496, 15560, 17365, 17894, 18120, 18672, 20838, 23340, 24160, 26841, 27784, 31120, 34730, 35788, 36240, 37344, 41676, 44735, 46680, 52095, 53682, 55568, 58739, 62240, 69460, 71576, 72480, 83352, 89470, 93360, 104190, 107364, 111136, 117478, 134205, 138920, 143152, 166704, 176217, 178940, 186720, 208380, 214728, 234956, 268410, 277840, 286304, 293695, 333408, 352434, 357880, 416760, 429456, 469912, 536820, 555680, 587390, 704868, 715760, 833520, 858912, 881085, 939824, 1073640, 1174780, 1350997, 1409736, 1431520, 1667040, 1762170, 1879648, 2147280, 2349560, 2701994, 2819472, 3524340, 4052991, 4294560, 4699120, 5403988, 5638944, 6754985, 7048680, 8105982, 9398240, 10807976, 13509970, 14097360, 16211964, 20264955, 21615952, 27019940, 28194720, 32423928, 40529910, 43231904, 54039880, 64847856, 81059820, 108079760, 129695712, 162119640, 216159520, 324239280, 648478560]

約数ペア:

[(1, 648478560), (2, 324239280), (3, 216159520), (4, 162119640), (5, 129695712), (6, 108079760), (8, 81059820), (10, 64847856), (12, 54039880), (15, 43231904), (16, 40529910), (20, 32423928), (23, 28194720), (24, 27019940), (30, 21615952), (32, 20264955), (40, 16211964), (46, 14097360), (48, 13509970), (60, 10807976), (69, 9398240), (80, 8105982), (92, 7048680), (96, 6754985), (115, 5638944), (120, 5403988), (138, 4699120), (151, 4294560), (160, 4052991), (184, 3524340), (230, 2819472), (240, 2701994), (276, 2349560), (302, 2147280), (345, 1879648), (368, 1762170), (389, 1667040), (453, 1431520), (460, 1409736), (480, 1350997), (552, 1174780), (604, 1073640), (690, 939824), (736, 881085), (755, 858912), (778, 833520), (906, 715760), (920, 704868), (1104, 587390), (1167, 555680), (1208, 536820), (1380, 469912), (1510, 429456), (1556, 416760), (1812, 357880), (1840, 352434), (1945, 333408), (2208, 293695), (2265, 286304), (2334, 277840), (2416, 268410), (2760, 234956), (3020, 214728), (3112, 208380), (3473, 186720), (3624, 178940), (3680, 176217), (3890, 166704), (4530, 143152), (4668, 138920), (4832, 134205), (5520, 117478), (5835, 111136), (6040, 107364), (6224, 104190), (6946, 93360), (7248, 89470), (7780, 83352), (8947, 72480), (9060, 71576), (9336, 69460), (10419, 62240), (11040, 58739), (11670, 55568), (12080, 53682), (12448, 52095), (13892, 46680), (14496, 44735), (15560, 41676), (17365, 37344), (17894, 36240), (18120, 35788), (18672, 34730), (20838, 31120), (23340, 27784), (24160, 26841)]