128945600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 168

約数和(自身を含む): 376062240

約数和(自身を除く): 247116640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 50, 56, 58, 64, 70, 80, 100, 112, 116, 140, 145, 160, 175, 200, 203, 224, 232, 280, 290, 320, 350, 397, 400, 406, 448, 464, 560, 580, 700, 725, 794, 800, 812, 928, 1015, 1120, 1160, 1400, 1450, 1588, 1600, 1624, 1856, 1985, 2030, 2240, 2320, 2779, 2800, 2900, 3176, 3248, 3970, 4060, 4640, 5075, 5558, 5600, 5800, 6352, 6496, 7940, 8120, 9280, 9925, 10150, 11116, 11200, 11513, 11600, 12704, 12992, 13895, 15880, 16240, 19850, 20300, 22232, 23026, 23200, 25408, 27790, 31760, 32480, 39700, 40600, 44464, 46052, 46400, 55580, 57565, 63520, 64960, 69475, 79400, 80591, 81200, 88928, 92104, 111160, 115130, 127040, 138950, 158800, 161182, 162400, 177856, 184208, 222320, 230260, 277900, 287825, 317600, 322364, 324800, 368416, 402955, 444640, 460520, 555800, 575650, 635200, 644728, 736832, 805910, 889280, 921040, 1111600, 1151300, 1289456, 1611820, 1842080, 2014775, 2223200, 2302600, 2578912, 3223640, 3684160, 4029550, 4446400, 4605200, 5157824, 6447280, 8059100, 9210400, 12894560, 16118200, 18420800, 25789120, 32236400, 64472800, 128945600]

約数ペア:

[(1, 128945600), (2, 64472800), (4, 32236400), (5, 25789120), (7, 18420800), (8, 16118200), (10, 12894560), (14, 9210400), (16, 8059100), (20, 6447280), (25, 5157824), (28, 4605200), (29, 4446400), (32, 4029550), (35, 3684160), (40, 3223640), (50, 2578912), (56, 2302600), (58, 2223200), (64, 2014775), (70, 1842080), (80, 1611820), (100, 1289456), (112, 1151300), (116, 1111600), (140, 921040), (145, 889280), (160, 805910), (175, 736832), (200, 644728), (203, 635200), (224, 575650), (232, 555800), (280, 460520), (290, 444640), (320, 402955), (350, 368416), (397, 324800), (400, 322364), (406, 317600), (448, 287825), (464, 277900), (560, 230260), (580, 222320), (700, 184208), (725, 177856), (794, 162400), (800, 161182), (812, 158800), (928, 138950), (1015, 127040), (1120, 115130), (1160, 111160), (1400, 92104), (1450, 88928), (1588, 81200), (1600, 80591), (1624, 79400), (1856, 69475), (1985, 64960), (2030, 63520), (2240, 57565), (2320, 55580), (2779, 46400), (2800, 46052), (2900, 44464), (3176, 40600), (3248, 39700), (3970, 32480), (4060, 31760), (4640, 27790), (5075, 25408), (5558, 23200), (5600, 23026), (5800, 22232), (6352, 20300), (6496, 19850), (7940, 16240), (8120, 15880), (9280, 13895), (9925, 12992), (10150, 12704), (11116, 11600), (11200, 11513)]