391479840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{271861}}^1$

素因数の和:271882

約数の個数: 72

約数和(自身を含む): 1335929868

約数和(自身を除く): 944450028

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 271861, 543722, 815583, 1087444, 1359305, 1631166, 2174888, 2446749, 2718610, 3262332, 4077915, 4349776, 4893498, 5437220, 6524664, 8155830, 8699552, 9786996, 10874440, 12233745, 13049328, 16311660, 19573992, 21748880, 24467490, 26098656, 32623320, 39147984, 43497760, 48934980, 65246640, 78295968, 97869960, 130493280, 195739920, 391479840]

約数ペア:

[(1, 391479840), (2, 195739920), (3, 130493280), (4, 97869960), (5, 78295968), (6, 65246640), (8, 48934980), (9, 43497760), (10, 39147984), (12, 32623320), (15, 26098656), (16, 24467490), (18, 21748880), (20, 19573992), (24, 16311660), (30, 13049328), (32, 12233745), (36, 10874440), (40, 9786996), (45, 8699552), (48, 8155830), (60, 6524664), (72, 5437220), (80, 4893498), (90, 4349776), (96, 4077915), (120, 3262332), (144, 2718610), (160, 2446749), (180, 2174888), (240, 1631166), (288, 1359305), (360, 1087444), (480, 815583), (720, 543722), (1440, 271861)]