221506140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2999}}^1$

素因数の和:4242

約数の個数: 48

約数和(自身を含む): 620928000

約数和(自身を除く): 399421860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1231, 2462, 2999, 3693, 4924, 5998, 6155, 7386, 8997, 11996, 12310, 14772, 14995, 17994, 18465, 24620, 29990, 35988, 36930, 44985, 59980, 73860, 89970, 179940, 3691769, 7383538, 11075307, 14767076, 18458845, 22150614, 36917690, 44301228, 55376535, 73835380, 110753070, 221506140]

約数ペア:

[(1, 221506140), (2, 110753070), (3, 73835380), (4, 55376535), (5, 44301228), (6, 36917690), (10, 22150614), (12, 18458845), (15, 14767076), (20, 11075307), (30, 7383538), (60, 3691769), (1231, 179940), (2462, 89970), (2999, 73860), (3693, 59980), (4924, 44985), (5998, 36930), (6155, 35988), (7386, 29990), (8997, 24620), (11996, 18465), (12310, 17994), (14772, 14995)]