981821520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{454547}}^1$

素因数の和:454569

約数の個数: 80

約数和(自身を含む): 3381837120

約数和(自身を除く): 2400015600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 454547, 909094, 1363641, 1818188, 2272735, 2727282, 3636376, 4090923, 4545470, 5454564, 6818205, 7272752, 8181846, 9090940, 10909128, 12272769, 13636410, 16363692, 18181880, 20454615, 21818256, 24545538, 27272820, 32727384, 36363760, 40909230, 49091076, 54545640, 61363845, 65454768, 81818460, 98182152, 109091280, 122727690, 163636920, 196364304, 245455380, 327273840, 490910760, 981821520]

約数ペア:

[(1, 981821520), (2, 490910760), (3, 327273840), (4, 245455380), (5, 196364304), (6, 163636920), (8, 122727690), (9, 109091280), (10, 98182152), (12, 81818460), (15, 65454768), (16, 61363845), (18, 54545640), (20, 49091076), (24, 40909230), (27, 36363760), (30, 32727384), (36, 27272820), (40, 24545538), (45, 21818256), (48, 20454615), (54, 18181880), (60, 16363692), (72, 13636410), (80, 12272769), (90, 10909128), (108, 9090940), (120, 8181846), (135, 7272752), (144, 6818205), (180, 5454564), (216, 4545470), (240, 4090923), (270, 3636376), (360, 2727282), (432, 2272735), (540, 1818188), (720, 1363641), (1080, 909094), (2160, 454547)]