1520404520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{12491}}^1$

素因数の和:12698

約数の個数: 64

約数和(自身を含む): 3642667200

約数和(自身を除く): 2122262680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 680, 716, 895, 1432, 1790, 3043, 3580, 6086, 7160, 12172, 12491, 15215, 24344, 24982, 30430, 49964, 60860, 62455, 99928, 121720, 124910, 212347, 249820, 424694, 499640, 849388, 1061735, 1698776, 2123470, 2235889, 4246940, 4471778, 8493880, 8943556, 11179445, 17887112, 22358890, 38010113, 44717780, 76020226, 89435560, 152040452, 190050565, 304080904, 380101130, 760202260, 1520404520]

約数ペア:

[(1, 1520404520), (2, 760202260), (4, 380101130), (5, 304080904), (8, 190050565), (10, 152040452), (17, 89435560), (20, 76020226), (34, 44717780), (40, 38010113), (68, 22358890), (85, 17887112), (136, 11179445), (170, 8943556), (179, 8493880), (340, 4471778), (358, 4246940), (680, 2235889), (716, 2123470), (895, 1698776), (1432, 1061735), (1790, 849388), (3043, 499640), (3580, 424694), (6086, 249820), (7160, 212347), (12172, 124910), (12491, 121720), (15215, 99928), (24344, 62455), (24982, 60860), (30430, 49964)]