18740880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26029}}^1$

素因数の和:26048

約数の個数: 60

約数和(自身を含む): 62940540

約数和(自身を除く): 44199660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26029, 52058, 78087, 104116, 130145, 156174, 208232, 234261, 260290, 312348, 390435, 416464, 468522, 520580, 624696, 780870, 937044, 1041160, 1171305, 1249392, 1561740, 1874088, 2082320, 2342610, 3123480, 3748176, 4685220, 6246960, 9370440, 18740880]

約数ペア:

[(1, 18740880), (2, 9370440), (3, 6246960), (4, 4685220), (5, 3748176), (6, 3123480), (8, 2342610), (9, 2082320), (10, 1874088), (12, 1561740), (15, 1249392), (16, 1171305), (18, 1041160), (20, 937044), (24, 780870), (30, 624696), (36, 520580), (40, 468522), (45, 416464), (48, 390435), (60, 312348), (72, 260290), (80, 234261), (90, 208232), (120, 156174), (144, 130145), (180, 104116), (240, 78087), (360, 52058), (720, 26029)]