18896001720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{4091}}^1$

素因数の和:4797

約数の個数: 128

約数和(自身を含む): 57722734080

約数和(自身を除く): 38826732360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 631, 732, 915, 1220, 1262, 1464, 1830, 1893, 2440, 2524, 3155, 3660, 3786, 4091, 5048, 6310, 7320, 7572, 8182, 9465, 12273, 12620, 15144, 16364, 18930, 20455, 24546, 25240, 32728, 37860, 38491, 40910, 49092, 61365, 75720, 76982, 81820, 98184, 115473, 122730, 153964, 163640, 192455, 230946, 245460, 249551, 307928, 384910, 461892, 490920, 499102, 577365, 748653, 769820, 923784, 998204, 1154730, 1247755, 1497306, 1539640, 1996408, 2309460, 2495510, 2581421, 2994612, 3743265, 4618920, 4991020, 5162842, 5989224, 7486530, 7744263, 9982040, 10325684, 12907105, 14973060, 15488526, 20651368, 25814210, 29946120, 30977052, 38721315, 51628420, 61954104, 77442630, 103256840, 154885260, 157466681, 309770520, 314933362, 472400043, 629866724, 787333405, 944800086, 1259733448, 1574666810, 1889600172, 2362000215, 3149333620, 3779200344, 4724000430, 6298667240, 9448000860, 18896001720]

約数ペア:

[(1, 18896001720), (2, 9448000860), (3, 6298667240), (4, 4724000430), (5, 3779200344), (6, 3149333620), (8, 2362000215), (10, 1889600172), (12, 1574666810), (15, 1259733448), (20, 944800086), (24, 787333405), (30, 629866724), (40, 472400043), (60, 314933362), (61, 309770520), (120, 157466681), (122, 154885260), (183, 103256840), (244, 77442630), (305, 61954104), (366, 51628420), (488, 38721315), (610, 30977052), (631, 29946120), (732, 25814210), (915, 20651368), (1220, 15488526), (1262, 14973060), (1464, 12907105), (1830, 10325684), (1893, 9982040), (2440, 7744263), (2524, 7486530), (3155, 5989224), (3660, 5162842), (3786, 4991020), (4091, 4618920), (5048, 3743265), (6310, 2994612), (7320, 2581421), (7572, 2495510), (8182, 2309460), (9465, 1996408), (12273, 1539640), (12620, 1497306), (15144, 1247755), (16364, 1154730), (18930, 998204), (20455, 923784), (24546, 769820), (25240, 748653), (32728, 577365), (37860, 499102), (38491, 490920), (40910, 461892), (49092, 384910), (61365, 307928), (75720, 249551), (76982, 245460), (81820, 230946), (98184, 192455), (115473, 163640), (122730, 153964)]