245540640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 144

約数和(自身を含む): 809379648

約数和(自身を除く): 563839008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 529, 552, 690, 736, 920, 967, 1058, 1104, 1380, 1587, 1840, 1934, 2116, 2208, 2645, 2760, 2901, 3174, 3680, 3868, 4232, 4835, 5290, 5520, 5802, 6348, 7736, 7935, 8464, 9670, 10580, 11040, 11604, 12696, 14505, 15472, 15870, 16928, 19340, 21160, 22241, 23208, 25392, 29010, 30944, 31740, 38680, 42320, 44482, 46416, 50784, 58020, 63480, 66723, 77360, 84640, 88964, 92832, 111205, 116040, 126960, 133446, 154720, 177928, 222410, 232080, 253920, 266892, 333615, 355856, 444820, 464160, 511543, 533784, 667230, 711712, 889640, 1023086, 1067568, 1334460, 1534629, 1779280, 2046172, 2135136, 2557715, 2668920, 3069258, 3558560, 4092344, 5115430, 5337840, 6138516, 7673145, 8184688, 10230860, 10675680, 12277032, 15346290, 16369376, 20461720, 24554064, 30692580, 40923440, 49108128, 61385160, 81846880, 122770320, 245540640]

約数ペア:

[(1, 245540640), (2, 122770320), (3, 81846880), (4, 61385160), (5, 49108128), (6, 40923440), (8, 30692580), (10, 24554064), (12, 20461720), (15, 16369376), (16, 15346290), (20, 12277032), (23, 10675680), (24, 10230860), (30, 8184688), (32, 7673145), (40, 6138516), (46, 5337840), (48, 5115430), (60, 4092344), (69, 3558560), (80, 3069258), (92, 2668920), (96, 2557715), (115, 2135136), (120, 2046172), (138, 1779280), (160, 1534629), (184, 1334460), (230, 1067568), (240, 1023086), (276, 889640), (345, 711712), (368, 667230), (460, 533784), (480, 511543), (529, 464160), (552, 444820), (690, 355856), (736, 333615), (920, 266892), (967, 253920), (1058, 232080), (1104, 222410), (1380, 177928), (1587, 154720), (1840, 133446), (1934, 126960), (2116, 116040), (2208, 111205), (2645, 92832), (2760, 88964), (2901, 84640), (3174, 77360), (3680, 66723), (3868, 63480), (4232, 58020), (4835, 50784), (5290, 46416), (5520, 44482), (5802, 42320), (6348, 38680), (7736, 31740), (7935, 30944), (8464, 29010), (9670, 25392), (10580, 23208), (11040, 22241), (11604, 21160), (12696, 19340), (14505, 16928), (15472, 15870)]