2038620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 5812128

約数和(自身を除く): 3773508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 557, 610, 732, 915, 1114, 1220, 1671, 1830, 2228, 2785, 3342, 3660, 5570, 6684, 8355, 11140, 16710, 33420, 33977, 67954, 101931, 135908, 169885, 203862, 339770, 407724, 509655, 679540, 1019310, 2038620]

約数ペア:

[(1, 2038620), (2, 1019310), (3, 679540), (4, 509655), (5, 407724), (6, 339770), (10, 203862), (12, 169885), (15, 135908), (20, 101931), (30, 67954), (60, 33977), (61, 33420), (122, 16710), (183, 11140), (244, 8355), (305, 6684), (366, 5570), (557, 3660), (610, 3342), (732, 2785), (915, 2228), (1114, 1830), (1220, 1671)]