399852960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 1369146240

約数和(自身を除く): 969293280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 139, 156, 160, 195, 208, 240, 260, 278, 312, 390, 416, 417, 461, 480, 520, 556, 624, 695, 780, 834, 922, 1040, 1112, 1248, 1383, 1390, 1560, 1668, 1807, 1844, 2080, 2085, 2224, 2305, 2766, 2780, 3120, 3336, 3614, 3688, 4170, 4448, 4610, 5421, 5532, 5560, 5993, 6240, 6672, 6915, 7228, 7376, 8340, 9035, 9220, 10842, 11064, 11120, 11986, 13344, 13830, 14456, 14752, 16680, 17979, 18070, 18440, 21684, 22128, 22240, 23972, 27105, 27660, 28912, 29965, 33360, 35958, 36140, 36880, 43368, 44256, 47944, 54210, 55320, 57824, 59930, 64079, 66720, 71916, 72280, 73760, 86736, 89895, 95888, 108420, 110640, 119860, 128158, 143832, 144560, 173472, 179790, 191776, 192237, 216840, 221280, 239720, 256316, 287664, 289120, 320395, 359580, 384474, 433680, 479440, 512632, 575328, 640790, 719160, 768948, 833027, 867360, 958880, 961185, 1025264, 1281580, 1438320, 1537896, 1666054, 1922370, 2050528, 2499081, 2563160, 2876640, 3075792, 3332108, 3844740, 4165135, 4998162, 5126320, 6151584, 6664216, 7689480, 8330270, 9996324, 10252640, 12495405, 13328432, 15378960, 16660540, 19992648, 24990810, 26656864, 30757920, 33321080, 39985296, 49981620, 66642160, 79970592, 99963240, 133284320, 199926480, 399852960]

約数ペア:

[(1, 399852960), (2, 199926480), (3, 133284320), (4, 99963240), (5, 79970592), (6, 66642160), (8, 49981620), (10, 39985296), (12, 33321080), (13, 30757920), (15, 26656864), (16, 24990810), (20, 19992648), (24, 16660540), (26, 15378960), (30, 13328432), (32, 12495405), (39, 10252640), (40, 9996324), (48, 8330270), (52, 7689480), (60, 6664216), (65, 6151584), (78, 5126320), (80, 4998162), (96, 4165135), (104, 3844740), (120, 3332108), (130, 3075792), (139, 2876640), (156, 2563160), (160, 2499081), (195, 2050528), (208, 1922370), (240, 1666054), (260, 1537896), (278, 1438320), (312, 1281580), (390, 1025264), (416, 961185), (417, 958880), (461, 867360), (480, 833027), (520, 768948), (556, 719160), (624, 640790), (695, 575328), (780, 512632), (834, 479440), (922, 433680), (1040, 384474), (1112, 359580), (1248, 320395), (1383, 289120), (1390, 287664), (1560, 256316), (1668, 239720), (1807, 221280), (1844, 216840), (2080, 192237), (2085, 191776), (2224, 179790), (2305, 173472), (2766, 144560), (2780, 143832), (3120, 128158), (3336, 119860), (3614, 110640), (3688, 108420), (4170, 95888), (4448, 89895), (4610, 86736), (5421, 73760), (5532, 72280), (5560, 71916), (5993, 66720), (6240, 64079), (6672, 59930), (6915, 57824), (7228, 55320), (7376, 54210), (8340, 47944), (9035, 44256), (9220, 43368), (10842, 36880), (11064, 36140), (11120, 35958), (11986, 33360), (13344, 29965), (13830, 28912), (14456, 27660), (14752, 27105), (16680, 23972), (17979, 22240), (18070, 22128), (18440, 21684)]