15916838220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1245449}}^1$

素因数の和:1245535

約数の個数: 72

約数和(自身を含む): 48961130400

約数和(自身を除く): 33044292180

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, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 1245449, 2490898, 3736347, 4981796, 6227245, 7472694, 11209041, 12454490, 14945388, 18681735, 22418082, 24908980, 37363470, 44836164, 56045205, 74726940, 88426879, 112090410, 176853758, 224180820, 265280637, 353707516, 442134395, 530561274, 795841911, 884268790, 1061122548, 1326403185, 1591683822, 1768537580, 2652806370, 3183367644, 3979209555, 5305612740, 7958419110, 15916838220]

約数ペア:

[(1, 15916838220), (2, 7958419110), (3, 5305612740), (4, 3979209555), (5, 3183367644), (6, 2652806370), (9, 1768537580), (10, 1591683822), (12, 1326403185), (15, 1061122548), (18, 884268790), (20, 795841911), (30, 530561274), (36, 442134395), (45, 353707516), (60, 265280637), (71, 224180820), (90, 176853758), (142, 112090410), (180, 88426879), (213, 74726940), (284, 56045205), (355, 44836164), (426, 37363470), (639, 24908980), (710, 22418082), (852, 18681735), (1065, 14945388), (1278, 12454490), (1420, 11209041), (2130, 7472694), (2556, 6227245), (3195, 4981796), (4260, 3736347), (6390, 2490898), (12780, 1245449)]