1639268520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{4079}}^1$

素因数の和:4307

約数の個数: 128

約数和(自身を含む): 5234803200

約数和(自身を除く): 3595534680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 197, 204, 255, 340, 394, 408, 510, 591, 680, 788, 985, 1020, 1182, 1576, 1970, 2040, 2364, 2955, 3349, 3940, 4079, 4728, 5910, 6698, 7880, 8158, 10047, 11820, 12237, 13396, 16316, 16745, 20094, 20395, 23640, 24474, 26792, 32632, 33490, 40188, 40790, 48948, 50235, 61185, 66980, 69343, 80376, 81580, 97896, 100470, 122370, 133960, 138686, 163160, 200940, 208029, 244740, 277372, 346715, 401880, 416058, 489480, 554744, 693430, 803563, 832116, 1040145, 1386860, 1607126, 1664232, 2080290, 2410689, 2773720, 3214252, 4017815, 4160580, 4821378, 6428504, 8035630, 8321160, 9642756, 12053445, 13660571, 16071260, 19285512, 24106890, 27321142, 32142520, 40981713, 48213780, 54642284, 68302855, 81963426, 96427560, 109284568, 136605710, 163926852, 204908565, 273211420, 327853704, 409817130, 546422840, 819634260, 1639268520]

約数ペア:

[(1, 1639268520), (2, 819634260), (3, 546422840), (4, 409817130), (5, 327853704), (6, 273211420), (8, 204908565), (10, 163926852), (12, 136605710), (15, 109284568), (17, 96427560), (20, 81963426), (24, 68302855), (30, 54642284), (34, 48213780), (40, 40981713), (51, 32142520), (60, 27321142), (68, 24106890), (85, 19285512), (102, 16071260), (120, 13660571), (136, 12053445), (170, 9642756), (197, 8321160), (204, 8035630), (255, 6428504), (340, 4821378), (394, 4160580), (408, 4017815), (510, 3214252), (591, 2773720), (680, 2410689), (788, 2080290), (985, 1664232), (1020, 1607126), (1182, 1386860), (1576, 1040145), (1970, 832116), (2040, 803563), (2364, 693430), (2955, 554744), (3349, 489480), (3940, 416058), (4079, 401880), (4728, 346715), (5910, 277372), (6698, 244740), (7880, 208029), (8158, 200940), (10047, 163160), (11820, 138686), (12237, 133960), (13396, 122370), (16316, 100470), (16745, 97896), (20094, 81580), (20395, 80376), (23640, 69343), (24474, 66980), (26792, 61185), (32632, 50235), (33490, 48948), (40188, 40790)]