64260720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 217620000

約数和(自身を除く): 153359280

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, 149, 180, 240, 298, 360, 447, 596, 599, 720, 745, 894, 1192, 1198, 1341, 1490, 1788, 1797, 2235, 2384, 2396, 2682, 2980, 2995, 3576, 3594, 4470, 4792, 5364, 5391, 5960, 5990, 6705, 7152, 7188, 8940, 8985, 9584, 10728, 10782, 11920, 11980, 13410, 14376, 17880, 17970, 21456, 21564, 23960, 26820, 26955, 28752, 35760, 35940, 43128, 47920, 53640, 53910, 71880, 86256, 89251, 107280, 107820, 143760, 178502, 215640, 267753, 357004, 431280, 446255, 535506, 714008, 803259, 892510, 1071012, 1338765, 1428016, 1606518, 1785020, 2142024, 2677530, 3213036, 3570040, 4016295, 4284048, 5355060, 6426072, 7140080, 8032590, 10710120, 12852144, 16065180, 21420240, 32130360, 64260720]

約数ペア:

[(1, 64260720), (2, 32130360), (3, 21420240), (4, 16065180), (5, 12852144), (6, 10710120), (8, 8032590), (9, 7140080), (10, 6426072), (12, 5355060), (15, 4284048), (16, 4016295), (18, 3570040), (20, 3213036), (24, 2677530), (30, 2142024), (36, 1785020), (40, 1606518), (45, 1428016), (48, 1338765), (60, 1071012), (72, 892510), (80, 803259), (90, 714008), (120, 535506), (144, 446255), (149, 431280), (180, 357004), (240, 267753), (298, 215640), (360, 178502), (447, 143760), (596, 107820), (599, 107280), (720, 89251), (745, 86256), (894, 71880), (1192, 53910), (1198, 53640), (1341, 47920), (1490, 43128), (1788, 35940), (1797, 35760), (2235, 28752), (2384, 26955), (2396, 26820), (2682, 23960), (2980, 21564), (2995, 21456), (3576, 17970), (3594, 17880), (4470, 14376), (4792, 13410), (5364, 11980), (5391, 11920), (5960, 10782), (5990, 10728), (6705, 9584), (7152, 8985), (7188, 8940)]