156912800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1663

約数の個数: 108

約数和(自身を含む): 421312878

約数和(自身を除く): 264400078

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 121, 160, 176, 200, 220, 242, 275, 352, 400, 440, 484, 550, 605, 800, 880, 968, 1100, 1210, 1621, 1760, 1936, 2200, 2420, 3025, 3242, 3872, 4400, 4840, 6050, 6484, 8105, 8800, 9680, 12100, 12968, 16210, 17831, 19360, 24200, 25936, 32420, 35662, 40525, 48400, 51872, 64840, 71324, 81050, 89155, 96800, 129680, 142648, 162100, 178310, 196141, 259360, 285296, 324200, 356620, 392282, 445775, 570592, 648400, 713240, 784564, 891550, 980705, 1296800, 1426480, 1569128, 1783100, 1961410, 2852960, 3138256, 3566200, 3922820, 4903525, 6276512, 7132400, 7845640, 9807050, 14264800, 15691280, 19614100, 31382560, 39228200, 78456400, 156912800]

約数ペア:

[(1, 156912800), (2, 78456400), (4, 39228200), (5, 31382560), (8, 19614100), (10, 15691280), (11, 14264800), (16, 9807050), (20, 7845640), (22, 7132400), (25, 6276512), (32, 4903525), (40, 3922820), (44, 3566200), (50, 3138256), (55, 2852960), (80, 1961410), (88, 1783100), (100, 1569128), (110, 1426480), (121, 1296800), (160, 980705), (176, 891550), (200, 784564), (220, 713240), (242, 648400), (275, 570592), (352, 445775), (400, 392282), (440, 356620), (484, 324200), (550, 285296), (605, 259360), (800, 196141), (880, 178310), (968, 162100), (1100, 142648), (1210, 129680), (1621, 96800), (1760, 89155), (1936, 81050), (2200, 71324), (2420, 64840), (3025, 51872), (3242, 48400), (3872, 40525), (4400, 35662), (4840, 32420), (6050, 25936), (6484, 24200), (8105, 19360), (8800, 17831), (9680, 16210), (12100, 12968)]