89702820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7019}}^1$

素因数の和:7105

約数の個数: 72

約数和(自身を含む): 275970240

約数和(自身を除く): 186267420

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, 7019, 12780, 14038, 21057, 28076, 35095, 42114, 63171, 70190, 84228, 105285, 126342, 140380, 210570, 252684, 315855, 421140, 498349, 631710, 996698, 1263420, 1495047, 1993396, 2491745, 2990094, 4485141, 4983490, 5980188, 7475235, 8970282, 9966980, 14950470, 17940564, 22425705, 29900940, 44851410, 89702820]

約数ペア:

[(1, 89702820), (2, 44851410), (3, 29900940), (4, 22425705), (5, 17940564), (6, 14950470), (9, 9966980), (10, 8970282), (12, 7475235), (15, 5980188), (18, 4983490), (20, 4485141), (30, 2990094), (36, 2491745), (45, 1993396), (60, 1495047), (71, 1263420), (90, 996698), (142, 631710), (180, 498349), (213, 421140), (284, 315855), (355, 252684), (426, 210570), (639, 140380), (710, 126342), (852, 105285), (1065, 84228), (1278, 70190), (1420, 63171), (2130, 42114), (2556, 35095), (3195, 28076), (4260, 21057), (6390, 14038), (7019, 12780)]