421137280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:684

約数の個数: 128

約数和(自身を含む): 1079568000

約数和(自身を除く): 658430720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 64, 76, 80, 95, 118, 128, 152, 160, 190, 236, 295, 304, 320, 380, 472, 587, 590, 608, 640, 760, 944, 1121, 1174, 1180, 1216, 1520, 1888, 2242, 2348, 2360, 2432, 2935, 3040, 3776, 4484, 4696, 4720, 5605, 5870, 6080, 7552, 8968, 9392, 9440, 11153, 11210, 11740, 12160, 17936, 18784, 18880, 22306, 22420, 23480, 34633, 35872, 37568, 37760, 44612, 44840, 46960, 55765, 69266, 71744, 75136, 89224, 89680, 93920, 111530, 138532, 143488, 173165, 178448, 179360, 187840, 223060, 277064, 346330, 356896, 358720, 375680, 446120, 554128, 658027, 692660, 713792, 717440, 892240, 1108256, 1316054, 1385320, 1427584, 1784480, 2216512, 2632108, 2770640, 3290135, 3568960, 4433024, 5264216, 5541280, 6580270, 7137920, 10528432, 11082560, 13160540, 21056864, 22165120, 26321080, 42113728, 52642160, 84227456, 105284320, 210568640, 421137280]

約数ペア:

[(1, 421137280), (2, 210568640), (4, 105284320), (5, 84227456), (8, 52642160), (10, 42113728), (16, 26321080), (19, 22165120), (20, 21056864), (32, 13160540), (38, 11082560), (40, 10528432), (59, 7137920), (64, 6580270), (76, 5541280), (80, 5264216), (95, 4433024), (118, 3568960), (128, 3290135), (152, 2770640), (160, 2632108), (190, 2216512), (236, 1784480), (295, 1427584), (304, 1385320), (320, 1316054), (380, 1108256), (472, 892240), (587, 717440), (590, 713792), (608, 692660), (640, 658027), (760, 554128), (944, 446120), (1121, 375680), (1174, 358720), (1180, 356896), (1216, 346330), (1520, 277064), (1888, 223060), (2242, 187840), (2348, 179360), (2360, 178448), (2432, 173165), (2935, 143488), (3040, 138532), (3776, 111530), (4484, 93920), (4696, 89680), (4720, 89224), (5605, 75136), (5870, 71744), (6080, 69266), (7552, 55765), (8968, 46960), (9392, 44840), (9440, 44612), (11153, 37760), (11210, 37568), (11740, 35872), (12160, 34633), (17936, 23480), (18784, 22420), (18880, 22306)]