157499880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5107}}^1$

素因数の和:5378

約数の個数: 64

約数和(自身を含む): 474431040

約数和(自身を除く): 316931160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5107, 5140, 6168, 7710, 10214, 10280, 15321, 15420, 20428, 25535, 30642, 30840, 40856, 51070, 61284, 76605, 102140, 122568, 153210, 204280, 306420, 612840, 1312499, 2624998, 3937497, 5249996, 6562495, 7874994, 10499992, 13124990, 15749988, 19687485, 26249980, 31499976, 39374970, 52499960, 78749940, 157499880]

約数ペア:

[(1, 157499880), (2, 78749940), (3, 52499960), (4, 39374970), (5, 31499976), (6, 26249980), (8, 19687485), (10, 15749988), (12, 13124990), (15, 10499992), (20, 7874994), (24, 6562495), (30, 5249996), (40, 3937497), (60, 2624998), (120, 1312499), (257, 612840), (514, 306420), (771, 204280), (1028, 153210), (1285, 122568), (1542, 102140), (2056, 76605), (2570, 61284), (3084, 51070), (3855, 40856), (5107, 30840), (5140, 30642), (6168, 25535), (7710, 20428), (10214, 15420), (10280, 15321)]