251638128

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1924

約数の個数: 180

約数和(自身を含む): 862790760

約数和(自身を除く): 611152632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 228, 252, 266, 294, 304, 336, 342, 392, 399, 441, 456, 504, 532, 588, 684, 784, 798, 882, 912, 931, 1008, 1064, 1176, 1197, 1368, 1596, 1764, 1862, 1877, 2128, 2352, 2394, 2736, 2793, 3192, 3528, 3724, 3754, 4788, 5586, 5631, 6384, 7056, 7448, 7508, 8379, 9576, 11172, 11262, 13139, 14896, 15016, 16758, 16893, 19152, 22344, 22524, 26278, 30032, 33516, 33786, 35663, 39417, 44688, 45048, 52556, 67032, 67572, 71326, 78834, 90096, 91973, 105112, 106989, 118251, 134064, 135144, 142652, 157668, 183946, 210224, 213978, 236502, 249641, 270288, 275919, 285304, 315336, 320967, 367892, 427956, 473004, 499282, 551838, 570608, 630672, 641934, 735784, 748923, 827757, 855912, 946008, 998564, 1103676, 1283868, 1471568, 1497846, 1655514, 1711824, 1747487, 1892016, 1997128, 2207352, 2246769, 2567736, 2995692, 3311028, 3494974, 3994256, 4414704, 4493538, 5135472, 5242461, 5991384, 6622056, 6989948, 8987076, 10484922, 11982768, 13244112, 13979896, 15727383, 17974152, 20969844, 27959792, 31454766, 35948304, 41939688, 62909532, 83879376, 125819064, 251638128]

約数ペア:

[(1, 251638128), (2, 125819064), (3, 83879376), (4, 62909532), (6, 41939688), (7, 35948304), (8, 31454766), (9, 27959792), (12, 20969844), (14, 17974152), (16, 15727383), (18, 13979896), (19, 13244112), (21, 11982768), (24, 10484922), (28, 8987076), (36, 6989948), (38, 6622056), (42, 5991384), (48, 5242461), (49, 5135472), (56, 4493538), (57, 4414704), (63, 3994256), (72, 3494974), (76, 3311028), (84, 2995692), (98, 2567736), (112, 2246769), (114, 2207352), (126, 1997128), (133, 1892016), (144, 1747487), (147, 1711824), (152, 1655514), (168, 1497846), (171, 1471568), (196, 1283868), (228, 1103676), (252, 998564), (266, 946008), (294, 855912), (304, 827757), (336, 748923), (342, 735784), (392, 641934), (399, 630672), (441, 570608), (456, 551838), (504, 499282), (532, 473004), (588, 427956), (684, 367892), (784, 320967), (798, 315336), (882, 285304), (912, 275919), (931, 270288), (1008, 249641), (1064, 236502), (1176, 213978), (1197, 210224), (1368, 183946), (1596, 157668), (1764, 142652), (1862, 135144), (1877, 134064), (2128, 118251), (2352, 106989), (2394, 105112), (2736, 91973), (2793, 90096), (3192, 78834), (3528, 71326), (3724, 67572), (3754, 67032), (4788, 52556), (5586, 45048), (5631, 44688), (6384, 39417), (7056, 35663), (7448, 33786), (7508, 33516), (8379, 30032), (9576, 26278), (11172, 22524), (11262, 22344), (13139, 19152), (14896, 16893), (15016, 16758)]