81917640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32507}}^1$

素因数の和:32531

約数の個数: 96

約数和(自身を含む): 304274880

約数和(自身を除く): 222357240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32507, 65014, 97521, 130028, 162535, 195042, 227549, 260056, 292563, 325070, 390084, 455098, 487605, 585126, 650140, 682647, 780168, 910196, 975210, 1137745, 1170252, 1300280, 1365294, 1462815, 1820392, 1950420, 2047941, 2275490, 2340504, 2730588, 2925630, 3413235, 3900840, 4095882, 4550980, 5461176, 5851260, 6826470, 8191764, 9101960, 10239705, 11702520, 13652940, 16383528, 20479410, 27305880, 40958820, 81917640]

約数ペア:

[(1, 81917640), (2, 40958820), (3, 27305880), (4, 20479410), (5, 16383528), (6, 13652940), (7, 11702520), (8, 10239705), (9, 9101960), (10, 8191764), (12, 6826470), (14, 5851260), (15, 5461176), (18, 4550980), (20, 4095882), (21, 3900840), (24, 3413235), (28, 2925630), (30, 2730588), (35, 2340504), (36, 2275490), (40, 2047941), (42, 1950420), (45, 1820392), (56, 1462815), (60, 1365294), (63, 1300280), (70, 1170252), (72, 1137745), (84, 975210), (90, 910196), (105, 780168), (120, 682647), (126, 650140), (140, 585126), (168, 487605), (180, 455098), (210, 390084), (252, 325070), (280, 292563), (315, 260056), (360, 227549), (420, 195042), (504, 162535), (630, 130028), (840, 97521), (1260, 65014), (2520, 32507)]