7128900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^2$

素因数の和:198

約数の個数: 81

約数和(自身を含む): 22599031

約数和(自身を除く): 15470131

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 267, 300, 356, 445, 450, 534, 801, 890, 900, 1068, 1335, 1602, 1780, 2225, 2670, 3204, 4005, 4450, 5340, 6675, 7921, 8010, 8900, 13350, 15842, 16020, 20025, 23763, 26700, 31684, 39605, 40050, 47526, 71289, 79210, 80100, 95052, 118815, 142578, 158420, 198025, 237630, 285156, 356445, 396050, 475260, 594075, 712890, 792100, 1188150, 1425780, 1782225, 2376300, 3564450, 7128900]

約数ペア:

[(1, 7128900), (2, 3564450), (3, 2376300), (4, 1782225), (5, 1425780), (6, 1188150), (9, 792100), (10, 712890), (12, 594075), (15, 475260), (18, 396050), (20, 356445), (25, 285156), (30, 237630), (36, 198025), (45, 158420), (50, 142578), (60, 118815), (75, 95052), (89, 80100), (90, 79210), (100, 71289), (150, 47526), (178, 40050), (180, 39605), (225, 31684), (267, 26700), (300, 23763), (356, 20025), (445, 16020), (450, 15842), (534, 13350), (801, 8900), (890, 8010), (900, 7921), (1068, 6675), (1335, 5340), (1602, 4450), (1780, 4005), (2225, 3204)]