157029880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 423936000

約数和(自身を除く): 266906120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 229, 248, 280, 310, 316, 395, 434, 458, 553, 620, 632, 790, 868, 916, 1085, 1106, 1145, 1240, 1580, 1603, 1736, 1832, 2170, 2212, 2290, 2449, 2765, 3160, 3206, 4340, 4424, 4580, 4898, 5530, 6412, 7099, 8015, 8680, 9160, 9796, 11060, 12245, 12824, 14198, 16030, 17143, 18091, 19592, 22120, 24490, 28396, 32060, 34286, 35495, 36182, 48980, 49693, 56792, 64120, 68572, 70990, 72364, 85715, 90455, 97960, 99386, 126637, 137144, 141980, 144728, 171430, 180910, 198772, 248465, 253274, 283960, 342860, 361820, 397544, 496930, 506548, 560821, 633185, 685720, 723640, 993860, 1013096, 1121642, 1266370, 1987720, 2243284, 2532740, 2804105, 3925747, 4486568, 5065480, 5608210, 7851494, 11216420, 15702988, 19628735, 22432840, 31405976, 39257470, 78514940, 157029880]

約数ペア:

[(1, 157029880), (2, 78514940), (4, 39257470), (5, 31405976), (7, 22432840), (8, 19628735), (10, 15702988), (14, 11216420), (20, 7851494), (28, 5608210), (31, 5065480), (35, 4486568), (40, 3925747), (56, 2804105), (62, 2532740), (70, 2243284), (79, 1987720), (124, 1266370), (140, 1121642), (155, 1013096), (158, 993860), (217, 723640), (229, 685720), (248, 633185), (280, 560821), (310, 506548), (316, 496930), (395, 397544), (434, 361820), (458, 342860), (553, 283960), (620, 253274), (632, 248465), (790, 198772), (868, 180910), (916, 171430), (1085, 144728), (1106, 141980), (1145, 137144), (1240, 126637), (1580, 99386), (1603, 97960), (1736, 90455), (1832, 85715), (2170, 72364), (2212, 70990), (2290, 68572), (2449, 64120), (2765, 56792), (3160, 49693), (3206, 48980), (4340, 36182), (4424, 35495), (4580, 34286), (4898, 32060), (5530, 28396), (6412, 24490), (7099, 22120), (8015, 19592), (8680, 18091), (9160, 17143), (9796, 16030), (11060, 14198), (12245, 12824)]