645210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 1718496

約数和(自身を除く): 1073286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 107, 134, 201, 214, 321, 335, 402, 535, 603, 642, 670, 963, 1005, 1070, 1206, 1605, 1926, 2010, 3015, 3210, 4815, 6030, 7169, 9630, 14338, 21507, 35845, 43014, 64521, 71690, 107535, 129042, 215070, 322605, 645210]

約数ペア:

[(1, 645210), (2, 322605), (3, 215070), (5, 129042), (6, 107535), (9, 71690), (10, 64521), (15, 43014), (18, 35845), (30, 21507), (45, 14338), (67, 9630), (90, 7169), (107, 6030), (134, 4815), (201, 3210), (214, 3015), (321, 2010), (335, 1926), (402, 1605), (535, 1206), (603, 1070), (642, 1005), (670, 963)]