161936460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{128521}}^1$

素因数の和:128543

約数の個数: 72

約数和(自身を含む): 561384096

約数和(自身を除く): 399447636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 128521, 257042, 385563, 514084, 642605, 771126, 899647, 1156689, 1285210, 1542252, 1799294, 1927815, 2313378, 2570420, 2698941, 3598588, 3855630, 4498235, 4626756, 5397882, 5783445, 7711260, 8096823, 8996470, 10795764, 11566890, 13494705, 16193646, 17992940, 23133780, 26989410, 32387292, 40484115, 53978820, 80968230, 161936460]

約数ペア:

[(1, 161936460), (2, 80968230), (3, 53978820), (4, 40484115), (5, 32387292), (6, 26989410), (7, 23133780), (9, 17992940), (10, 16193646), (12, 13494705), (14, 11566890), (15, 10795764), (18, 8996470), (20, 8096823), (21, 7711260), (28, 5783445), (30, 5397882), (35, 4626756), (36, 4498235), (42, 3855630), (45, 3598588), (60, 2698941), (63, 2570420), (70, 2313378), (84, 1927815), (90, 1799294), (105, 1542252), (126, 1285210), (140, 1156689), (180, 899647), (210, 771126), (252, 642605), (315, 514084), (420, 385563), (630, 257042), (1260, 128521)]