259860720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 240

約数和(自身を含む): 987258240

約数和(自身を除く): 727397520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1163, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1995, 2128, 2280, 2326, 2352, 2660, 2793, 2940, 3192, 3489, 3724, 3920, 3990, 4560, 4652, 4655, 5320, 5586, 5815, 5880, 6384, 6978, 7448, 7980, 8141, 9304, 9310, 10640, 11172, 11630, 11760, 13956, 13965, 14896, 15960, 16282, 17445, 18608, 18620, 22097, 22344, 23260, 24423, 27912, 27930, 31920, 32564, 34890, 37240, 40705, 44194, 44688, 46520, 48846, 55824, 55860, 56987, 65128, 66291, 69780, 74480, 81410, 88388, 93040, 97692, 110485, 111720, 113974, 122115, 130256, 132582, 139560, 154679, 162820, 170961, 176776, 195384, 220970, 223440, 227948, 244230, 265164, 279120, 284935, 309358, 325640, 331455, 341922, 353552, 390768, 441940, 455896, 464037, 488460, 530328, 569870, 618716, 651280, 662910, 683844, 773395, 854805, 883880, 911792, 928074, 976920, 1060656, 1082753, 1139740, 1237432, 1325820, 1367688, 1546790, 1709610, 1767760, 1856148, 1953840, 2165506, 2279480, 2320185, 2474864, 2651640, 2735376, 3093580, 3248259, 3419220, 3712296, 4331012, 4558960, 4640370, 5303280, 5413765, 6187160, 6496518, 6838440, 7424592, 8662024, 9280740, 10827530, 12374320, 12993036, 13676880, 16241295, 17324048, 18561480, 21655060, 25986072, 32482590, 37122960, 43310120, 51972144, 64965180, 86620240, 129930360, 259860720]

約数ペア:

[(1, 259860720), (2, 129930360), (3, 86620240), (4, 64965180), (5, 51972144), (6, 43310120), (7, 37122960), (8, 32482590), (10, 25986072), (12, 21655060), (14, 18561480), (15, 17324048), (16, 16241295), (19, 13676880), (20, 12993036), (21, 12374320), (24, 10827530), (28, 9280740), (30, 8662024), (35, 7424592), (38, 6838440), (40, 6496518), (42, 6187160), (48, 5413765), (49, 5303280), (56, 4640370), (57, 4558960), (60, 4331012), (70, 3712296), (76, 3419220), (80, 3248259), (84, 3093580), (95, 2735376), (98, 2651640), (105, 2474864), (112, 2320185), (114, 2279480), (120, 2165506), (133, 1953840), (140, 1856148), (147, 1767760), (152, 1709610), (168, 1546790), (190, 1367688), (196, 1325820), (210, 1237432), (228, 1139740), (240, 1082753), (245, 1060656), (266, 976920), (280, 928074), (285, 911792), (294, 883880), (304, 854805), (336, 773395), (380, 683844), (392, 662910), (399, 651280), (420, 618716), (456, 569870), (490, 530328), (532, 488460), (560, 464037), (570, 455896), (588, 441940), (665, 390768), (735, 353552), (760, 341922), (784, 331455), (798, 325640), (840, 309358), (912, 284935), (931, 279120), (980, 265164), (1064, 244230), (1140, 227948), (1163, 223440), (1176, 220970), (1330, 195384), (1470, 176776), (1520, 170961), (1596, 162820), (1680, 154679), (1862, 139560), (1960, 132582), (1995, 130256), (2128, 122115), (2280, 113974), (2326, 111720), (2352, 110485), (2660, 97692), (2793, 93040), (2940, 88388), (3192, 81410), (3489, 74480), (3724, 69780), (3920, 66291), (3990, 65128), (4560, 56987), (4652, 55860), (4655, 55824), (5320, 48846), (5586, 46520), (5815, 44688), (5880, 44194), (6384, 40705), (6978, 37240), (7448, 34890), (7980, 32564), (8141, 31920), (9304, 27930), (9310, 27912), (10640, 24423), (11172, 23260), (11630, 22344), (11760, 22097), (13956, 18620), (13965, 18608), (14896, 17445), (15960, 16282)]