18449508640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1411

約数の個数: 144

約数和(自身を含む): 45539448696

約数和(自身を除く): 27089940056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 97, 124, 155, 160, 194, 248, 310, 388, 485, 496, 620, 776, 961, 970, 992, 1237, 1240, 1552, 1922, 1940, 2474, 2480, 3007, 3104, 3844, 3880, 4805, 4948, 4960, 6014, 6185, 7688, 7760, 9610, 9896, 12028, 12370, 15035, 15376, 15520, 19220, 19792, 24056, 24740, 30070, 30752, 38347, 38440, 39584, 48112, 49480, 60140, 76694, 76880, 93217, 96224, 98960, 119989, 120280, 153388, 153760, 186434, 191735, 197920, 239978, 240560, 306776, 372868, 383470, 466085, 479956, 481120, 599945, 613552, 745736, 766940, 932170, 959912, 1188757, 1199890, 1227104, 1491472, 1533880, 1864340, 1919824, 2377514, 2399780, 2982944, 3067760, 3719659, 3728680, 3839648, 4755028, 4799560, 5943785, 6135520, 7439318, 7457360, 9510056, 9599120, 11887570, 14878636, 14914720, 18598295, 19020112, 19198240, 23775140, 29757272, 37196590, 38040224, 47550280, 59514544, 74393180, 95100560, 115309429, 119029088, 148786360, 190201120, 230618858, 297572720, 461237716, 576547145, 595145440, 922475432, 1153094290, 1844950864, 2306188580, 3689901728, 4612377160, 9224754320, 18449508640]

約数ペア:

[(1, 18449508640), (2, 9224754320), (4, 4612377160), (5, 3689901728), (8, 2306188580), (10, 1844950864), (16, 1153094290), (20, 922475432), (31, 595145440), (32, 576547145), (40, 461237716), (62, 297572720), (80, 230618858), (97, 190201120), (124, 148786360), (155, 119029088), (160, 115309429), (194, 95100560), (248, 74393180), (310, 59514544), (388, 47550280), (485, 38040224), (496, 37196590), (620, 29757272), (776, 23775140), (961, 19198240), (970, 19020112), (992, 18598295), (1237, 14914720), (1240, 14878636), (1552, 11887570), (1922, 9599120), (1940, 9510056), (2474, 7457360), (2480, 7439318), (3007, 6135520), (3104, 5943785), (3844, 4799560), (3880, 4755028), (4805, 3839648), (4948, 3728680), (4960, 3719659), (6014, 3067760), (6185, 2982944), (7688, 2399780), (7760, 2377514), (9610, 1919824), (9896, 1864340), (12028, 1533880), (12370, 1491472), (15035, 1227104), (15376, 1199890), (15520, 1188757), (19220, 959912), (19792, 932170), (24056, 766940), (24740, 745736), (30070, 613552), (30752, 599945), (38347, 481120), (38440, 479956), (39584, 466085), (48112, 383470), (49480, 372868), (60140, 306776), (76694, 240560), (76880, 239978), (93217, 197920), (96224, 191735), (98960, 186434), (119989, 153760), (120280, 153388)]