19641628640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{122393}}^1$

素因数の和:122484

約数の個数: 96

約数和(自身を含む): 49966126560

約数和(自身を除く): 30324497920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 68, 80, 85, 118, 136, 160, 170, 236, 272, 295, 340, 472, 544, 590, 680, 944, 1003, 1180, 1360, 1888, 2006, 2360, 2720, 4012, 4720, 5015, 8024, 9440, 10030, 16048, 20060, 32096, 40120, 80240, 122393, 160480, 244786, 489572, 611965, 979144, 1223930, 1958288, 2080681, 2447860, 3916576, 4161362, 4895720, 7221187, 8322724, 9791440, 10403405, 14442374, 16645448, 19582880, 20806810, 28884748, 33290896, 36105935, 41613620, 57769496, 66581792, 72211870, 83227240, 115538992, 122760179, 144423740, 166454480, 231077984, 245520358, 288847480, 332908960, 491040716, 577694960, 613800895, 982081432, 1155389920, 1227601790, 1964162864, 2455203580, 3928325728, 4910407160, 9820814320, 19641628640]

約数ペア:

[(1, 19641628640), (2, 9820814320), (4, 4910407160), (5, 3928325728), (8, 2455203580), (10, 1964162864), (16, 1227601790), (17, 1155389920), (20, 982081432), (32, 613800895), (34, 577694960), (40, 491040716), (59, 332908960), (68, 288847480), (80, 245520358), (85, 231077984), (118, 166454480), (136, 144423740), (160, 122760179), (170, 115538992), (236, 83227240), (272, 72211870), (295, 66581792), (340, 57769496), (472, 41613620), (544, 36105935), (590, 33290896), (680, 28884748), (944, 20806810), (1003, 19582880), (1180, 16645448), (1360, 14442374), (1888, 10403405), (2006, 9791440), (2360, 8322724), (2720, 7221187), (4012, 4895720), (4720, 4161362), (5015, 3916576), (8024, 2447860), (9440, 2080681), (10030, 1958288), (16048, 1223930), (20060, 979144), (32096, 611965), (40120, 489572), (80240, 244786), (122393, 160480)]