261624720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{22247}}^1$

素因数の和:22277

約数の個数: 120

約数和(自身を含む): 943493184

約数和(自身を除く): 681868464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 22247, 44494, 66741, 88988, 111235, 133482, 155729, 177976, 222470, 266964, 311458, 333705, 355952, 444940, 467187, 533928, 622916, 667410, 778645, 889880, 934374, 1067856, 1090103, 1245832, 1334820, 1557290, 1779760, 1868748, 2180206, 2335935, 2491664, 2669640, 3114580, 3270309, 3737496, 4360412, 4671870, 5339280, 5450515, 6229160, 6540618, 7474992, 8720824, 9343740, 10901030, 12458320, 13081236, 16351545, 17441648, 18687480, 21802060, 26162472, 32703090, 37374960, 43604120, 52324944, 65406180, 87208240, 130812360, 261624720]

約数ペア:

[(1, 261624720), (2, 130812360), (3, 87208240), (4, 65406180), (5, 52324944), (6, 43604120), (7, 37374960), (8, 32703090), (10, 26162472), (12, 21802060), (14, 18687480), (15, 17441648), (16, 16351545), (20, 13081236), (21, 12458320), (24, 10901030), (28, 9343740), (30, 8720824), (35, 7474992), (40, 6540618), (42, 6229160), (48, 5450515), (49, 5339280), (56, 4671870), (60, 4360412), (70, 3737496), (80, 3270309), (84, 3114580), (98, 2669640), (105, 2491664), (112, 2335935), (120, 2180206), (140, 1868748), (147, 1779760), (168, 1557290), (196, 1334820), (210, 1245832), (240, 1090103), (245, 1067856), (280, 934374), (294, 889880), (336, 778645), (392, 667410), (420, 622916), (490, 533928), (560, 467187), (588, 444940), (735, 355952), (784, 333705), (840, 311458), (980, 266964), (1176, 222470), (1470, 177976), (1680, 155729), (1960, 133482), (2352, 111235), (2940, 88988), (3920, 66741), (5880, 44494), (11760, 22247)]