19899720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 65257920

約数和(自身を除く): 45358200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 167, 180, 331, 334, 360, 501, 662, 668, 835, 993, 1002, 1324, 1336, 1503, 1655, 1670, 1986, 2004, 2505, 2648, 2979, 3006, 3310, 3340, 3972, 4008, 4965, 5010, 5958, 6012, 6620, 6680, 7515, 7944, 9930, 10020, 11916, 12024, 13240, 14895, 15030, 19860, 20040, 23832, 29790, 30060, 39720, 55277, 59580, 60120, 110554, 119160, 165831, 221108, 276385, 331662, 442216, 497493, 552770, 663324, 829155, 994986, 1105540, 1326648, 1658310, 1989972, 2211080, 2487465, 3316620, 3979944, 4974930, 6633240, 9949860, 19899720]

約数ペア:

[(1, 19899720), (2, 9949860), (3, 6633240), (4, 4974930), (5, 3979944), (6, 3316620), (8, 2487465), (9, 2211080), (10, 1989972), (12, 1658310), (15, 1326648), (18, 1105540), (20, 994986), (24, 829155), (30, 663324), (36, 552770), (40, 497493), (45, 442216), (60, 331662), (72, 276385), (90, 221108), (120, 165831), (167, 119160), (180, 110554), (331, 60120), (334, 59580), (360, 55277), (501, 39720), (662, 30060), (668, 29790), (835, 23832), (993, 20040), (1002, 19860), (1324, 15030), (1336, 14895), (1503, 13240), (1655, 12024), (1670, 11916), (1986, 10020), (2004, 9930), (2505, 7944), (2648, 7515), (2979, 6680), (3006, 6620), (3310, 6012), (3340, 5958), (3972, 5010), (4008, 4965)]