2668875720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{673}}^1\times {\mathrm{4721}}^1$

素因数の和:5415

約数の個数: 128

約数和(自身を含む): 9165968640

約数和(自身を除く): 6497092920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 673, 840, 1346, 2019, 2692, 3365, 4038, 4711, 4721, 5384, 6730, 8076, 9422, 9442, 10095, 13460, 14133, 14163, 16152, 18844, 18884, 20190, 23555, 23605, 26920, 28266, 28326, 33047, 37688, 37768, 40380, 47110, 47210, 56532, 56652, 66094, 70665, 70815, 80760, 94220, 94420, 99141, 113064, 113304, 132188, 141330, 141630, 165235, 188440, 188840, 198282, 264376, 282660, 283260, 330470, 396564, 495705, 565320, 566520, 660940, 793128, 991410, 1321880, 1982820, 3177233, 3965640, 6354466, 9531699, 12708932, 15886165, 19063398, 22240631, 25417864, 31772330, 38126796, 44481262, 47658495, 63544660, 66721893, 76253592, 88962524, 95316990, 111203155, 127089320, 133443786, 177925048, 190633980, 222406310, 266887572, 333609465, 381267960, 444812620, 533775144, 667218930, 889625240, 1334437860, 2668875720]

約数ペア:

[(1, 2668875720), (2, 1334437860), (3, 889625240), (4, 667218930), (5, 533775144), (6, 444812620), (7, 381267960), (8, 333609465), (10, 266887572), (12, 222406310), (14, 190633980), (15, 177925048), (20, 133443786), (21, 127089320), (24, 111203155), (28, 95316990), (30, 88962524), (35, 76253592), (40, 66721893), (42, 63544660), (56, 47658495), (60, 44481262), (70, 38126796), (84, 31772330), (105, 25417864), (120, 22240631), (140, 19063398), (168, 15886165), (210, 12708932), (280, 9531699), (420, 6354466), (673, 3965640), (840, 3177233), (1346, 1982820), (2019, 1321880), (2692, 991410), (3365, 793128), (4038, 660940), (4711, 566520), (4721, 565320), (5384, 495705), (6730, 396564), (8076, 330470), (9422, 283260), (9442, 282660), (10095, 264376), (13460, 198282), (14133, 188840), (14163, 188440), (16152, 165235), (18844, 141630), (18884, 141330), (20190, 132188), (23555, 113304), (23605, 113064), (26920, 99141), (28266, 94420), (28326, 94220), (33047, 80760), (37688, 70815), (37768, 70665), (40380, 66094), (47110, 56652), (47210, 56532)]