28160040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3922

約数の個数: 64

約数和(自身を含む): 85887360

約数和(自身を除く): 57727320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 3847, 7320, 7694, 11541, 15388, 19235, 23082, 30776, 38470, 46164, 57705, 76940, 92328, 115410, 153880, 230820, 234667, 461640, 469334, 704001, 938668, 1173335, 1408002, 1877336, 2346670, 2816004, 3520005, 4693340, 5632008, 7040010, 9386680, 14080020, 28160040]

約数ペア:

[(1, 28160040), (2, 14080020), (3, 9386680), (4, 7040010), (5, 5632008), (6, 4693340), (8, 3520005), (10, 2816004), (12, 2346670), (15, 1877336), (20, 1408002), (24, 1173335), (30, 938668), (40, 704001), (60, 469334), (61, 461640), (120, 234667), (122, 230820), (183, 153880), (244, 115410), (305, 92328), (366, 76940), (488, 57705), (610, 46164), (732, 38470), (915, 30776), (1220, 23082), (1464, 19235), (1830, 15388), (2440, 11541), (3660, 7694), (3847, 7320)]