378468640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 997235064

約数和(自身を除く): 618766424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 113, 121, 160, 173, 176, 220, 226, 242, 346, 352, 440, 452, 484, 565, 605, 692, 865, 880, 904, 968, 1130, 1210, 1243, 1384, 1730, 1760, 1808, 1903, 1936, 2260, 2420, 2486, 2768, 3460, 3616, 3806, 3872, 4520, 4840, 4972, 5536, 6215, 6920, 7612, 9040, 9515, 9680, 9944, 12430, 13673, 13840, 15224, 18080, 19030, 19360, 19549, 19888, 20933, 24860, 27346, 27680, 30448, 38060, 39098, 39776, 41866, 49720, 54692, 60896, 68365, 76120, 78196, 83732, 97745, 99440, 104665, 109384, 136730, 152240, 156392, 167464, 195490, 198880, 209330, 215039, 218768, 273460, 304480, 312784, 334928, 390980, 418660, 430078, 437536, 546920, 625568, 669856, 781960, 837320, 860156, 1075195, 1093840, 1563920, 1674640, 1720312, 2150390, 2187680, 2365429, 3127840, 3349280, 3440624, 4300780, 4730858, 6881248, 8601560, 9461716, 11827145, 17203120, 18923432, 23654290, 34406240, 37846864, 47308580, 75693728, 94617160, 189234320, 378468640]

約数ペア:

[(1, 378468640), (2, 189234320), (4, 94617160), (5, 75693728), (8, 47308580), (10, 37846864), (11, 34406240), (16, 23654290), (20, 18923432), (22, 17203120), (32, 11827145), (40, 9461716), (44, 8601560), (55, 6881248), (80, 4730858), (88, 4300780), (110, 3440624), (113, 3349280), (121, 3127840), (160, 2365429), (173, 2187680), (176, 2150390), (220, 1720312), (226, 1674640), (242, 1563920), (346, 1093840), (352, 1075195), (440, 860156), (452, 837320), (484, 781960), (565, 669856), (605, 625568), (692, 546920), (865, 437536), (880, 430078), (904, 418660), (968, 390980), (1130, 334928), (1210, 312784), (1243, 304480), (1384, 273460), (1730, 218768), (1760, 215039), (1808, 209330), (1903, 198880), (1936, 195490), (2260, 167464), (2420, 156392), (2486, 152240), (2768, 136730), (3460, 109384), (3616, 104665), (3806, 99440), (3872, 97745), (4520, 83732), (4840, 78196), (4972, 76120), (5536, 68365), (6215, 60896), (6920, 54692), (7612, 49720), (9040, 41866), (9515, 39776), (9680, 39098), (9944, 38060), (12430, 30448), (13673, 27680), (13840, 27346), (15224, 24860), (18080, 20933), (19030, 19888), (19360, 19549)]