161821920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25933}}^1$

素因数の和:25964

約数の個数: 96

約数和(自身を含む): 548970912

約数和(自身を除く): 387148992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 25933, 51866, 77799, 103732, 129665, 155598, 207464, 259330, 311196, 337129, 388995, 414928, 518660, 622392, 674258, 777990, 829856, 1011387, 1037320, 1244784, 1348516, 1555980, 1685645, 2022774, 2074640, 2489568, 2697032, 3111960, 3371290, 4045548, 4149280, 5056935, 5394064, 6223920, 6742580, 8091096, 10113870, 10788128, 12447840, 13485160, 16182192, 20227740, 26970320, 32364384, 40455480, 53940640, 80910960, 161821920]

約数ペア:

[(1, 161821920), (2, 80910960), (3, 53940640), (4, 40455480), (5, 32364384), (6, 26970320), (8, 20227740), (10, 16182192), (12, 13485160), (13, 12447840), (15, 10788128), (16, 10113870), (20, 8091096), (24, 6742580), (26, 6223920), (30, 5394064), (32, 5056935), (39, 4149280), (40, 4045548), (48, 3371290), (52, 3111960), (60, 2697032), (65, 2489568), (78, 2074640), (80, 2022774), (96, 1685645), (104, 1555980), (120, 1348516), (130, 1244784), (156, 1037320), (160, 1011387), (195, 829856), (208, 777990), (240, 674258), (260, 622392), (312, 518660), (390, 414928), (416, 388995), (480, 337129), (520, 311196), (624, 259330), (780, 207464), (1040, 155598), (1248, 129665), (1560, 103732), (2080, 77799), (3120, 51866), (6240, 25933)]