280183960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1065

約数の個数: 96

約数和(自身を含む): 738678960

約数和(自身を除く): 458495000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 245, 280, 326, 392, 490, 652, 815, 877, 980, 1141, 1304, 1630, 1754, 1960, 2282, 3260, 3508, 4385, 4564, 5705, 6139, 6520, 7016, 7987, 8770, 9128, 11410, 12278, 15974, 17540, 22820, 24556, 30695, 31948, 35080, 39935, 42973, 45640, 49112, 61390, 63896, 79870, 85946, 122780, 142951, 159740, 171892, 214865, 245560, 285902, 319480, 343784, 429730, 571804, 714755, 859460, 1000657, 1143608, 1429510, 1718920, 2001314, 2859020, 4002628, 5003285, 5718040, 7004599, 8005256, 10006570, 14009198, 20013140, 28018396, 35022995, 40026280, 56036792, 70045990, 140091980, 280183960]

約数ペア:

[(1, 280183960), (2, 140091980), (4, 70045990), (5, 56036792), (7, 40026280), (8, 35022995), (10, 28018396), (14, 20013140), (20, 14009198), (28, 10006570), (35, 8005256), (40, 7004599), (49, 5718040), (56, 5003285), (70, 4002628), (98, 2859020), (140, 2001314), (163, 1718920), (196, 1429510), (245, 1143608), (280, 1000657), (326, 859460), (392, 714755), (490, 571804), (652, 429730), (815, 343784), (877, 319480), (980, 285902), (1141, 245560), (1304, 214865), (1630, 171892), (1754, 159740), (1960, 142951), (2282, 122780), (3260, 85946), (3508, 79870), (4385, 63896), (4564, 61390), (5705, 49112), (6139, 45640), (6520, 42973), (7016, 39935), (7987, 35080), (8770, 31948), (9128, 30695), (11410, 24556), (12278, 22820), (15974, 17540)]