78993660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2999}}^1$

素因数の和:3450

約数の個数: 48

約数和(自身を含む): 221760000

約数和(自身を除く): 142766340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 1317, 1756, 2195, 2634, 2999, 4390, 5268, 5998, 6585, 8780, 8997, 11996, 13170, 14995, 17994, 26340, 29990, 35988, 44985, 59980, 89970, 179940, 1316561, 2633122, 3949683, 5266244, 6582805, 7899366, 13165610, 15798732, 19748415, 26331220, 39496830, 78993660]

約数ペア:

[(1, 78993660), (2, 39496830), (3, 26331220), (4, 19748415), (5, 15798732), (6, 13165610), (10, 7899366), (12, 6582805), (15, 5266244), (20, 3949683), (30, 2633122), (60, 1316561), (439, 179940), (878, 89970), (1317, 59980), (1756, 44985), (2195, 35988), (2634, 29990), (2999, 26340), (4390, 17994), (5268, 14995), (5998, 13170), (6585, 11996), (8780, 8997)]