28383120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 120

約数和(自身を含む): 96720000

約数和(自身を除く): 68336880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 499, 632, 711, 720, 790, 948, 998, 1185, 1264, 1422, 1497, 1580, 1896, 1996, 2370, 2495, 2844, 2994, 3160, 3555, 3792, 3992, 4491, 4740, 4990, 5688, 5988, 6320, 7110, 7485, 7984, 8982, 9480, 9980, 11376, 11976, 14220, 14970, 17964, 18960, 19960, 22455, 23952, 28440, 29940, 35928, 39421, 39920, 44910, 56880, 59880, 71856, 78842, 89820, 118263, 119760, 157684, 179640, 197105, 236526, 315368, 354789, 359280, 394210, 473052, 591315, 630736, 709578, 788420, 946104, 1182630, 1419156, 1576840, 1773945, 1892208, 2365260, 2838312, 3153680, 3547890, 4730520, 5676624, 7095780, 9461040, 14191560, 28383120]

約数ペア:

[(1, 28383120), (2, 14191560), (3, 9461040), (4, 7095780), (5, 5676624), (6, 4730520), (8, 3547890), (9, 3153680), (10, 2838312), (12, 2365260), (15, 1892208), (16, 1773945), (18, 1576840), (20, 1419156), (24, 1182630), (30, 946104), (36, 788420), (40, 709578), (45, 630736), (48, 591315), (60, 473052), (72, 394210), (79, 359280), (80, 354789), (90, 315368), (120, 236526), (144, 197105), (158, 179640), (180, 157684), (237, 119760), (240, 118263), (316, 89820), (360, 78842), (395, 71856), (474, 59880), (499, 56880), (632, 44910), (711, 39920), (720, 39421), (790, 35928), (948, 29940), (998, 28440), (1185, 23952), (1264, 22455), (1422, 19960), (1497, 18960), (1580, 17964), (1896, 14970), (1996, 14220), (2370, 11976), (2495, 11376), (2844, 9980), (2994, 9480), (3160, 8982), (3555, 7984), (3792, 7485), (3992, 7110), (4491, 6320), (4740, 5988), (4990, 5688)]