1425780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^2$

素因数の和:193

約数の個数: 54

約数和(自身を含む): 4374006

約数和(自身を除く): 2948226

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 7921, 8010, 15842, 16020, 23763, 31684, 39605, 47526, 71289, 79210, 95052, 118815, 142578, 158420, 237630, 285156, 356445, 475260, 712890, 1425780]

約数ペア:

[(1, 1425780), (2, 712890), (3, 475260), (4, 356445), (5, 285156), (6, 237630), (9, 158420), (10, 142578), (12, 118815), (15, 95052), (18, 79210), (20, 71289), (30, 47526), (36, 39605), (45, 31684), (60, 23763), (89, 16020), (90, 15842), (178, 8010), (180, 7921), (267, 5340), (356, 4005), (445, 3204), (534, 2670), (801, 1780), (890, 1602), (1068, 1335)]