17879220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 37157580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1399, 1420, 2130, 2556, 2798, 3195, 4197, 4260, 5596, 6390, 6995, 8394, 12591, 12780, 13990, 16788, 20985, 25182, 27980, 41970, 50364, 62955, 83940, 99329, 125910, 198658, 251820, 297987, 397316, 496645, 595974, 893961, 993290, 1191948, 1489935, 1787922, 1986580, 2979870, 3575844, 4469805, 5959740, 8939610, 17879220]

約数ペア:

[(1, 17879220), (2, 8939610), (3, 5959740), (4, 4469805), (5, 3575844), (6, 2979870), (9, 1986580), (10, 1787922), (12, 1489935), (15, 1191948), (18, 993290), (20, 893961), (30, 595974), (36, 496645), (45, 397316), (60, 297987), (71, 251820), (90, 198658), (142, 125910), (180, 99329), (213, 83940), (284, 62955), (355, 50364), (426, 41970), (639, 27980), (710, 25182), (852, 20985), (1065, 16788), (1278, 13990), (1399, 12780), (1420, 12591), (2130, 8394), (2556, 6995), (2798, 6390), (3195, 5596), (4197, 4260)]