874740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 2499840

約数和(自身を除く): 1625100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 239, 244, 305, 366, 478, 610, 717, 732, 915, 956, 1195, 1220, 1434, 1830, 2390, 2868, 3585, 3660, 4780, 7170, 14340, 14579, 29158, 43737, 58316, 72895, 87474, 145790, 174948, 218685, 291580, 437370, 874740]

約数ペア:

[(1, 874740), (2, 437370), (3, 291580), (4, 218685), (5, 174948), (6, 145790), (10, 87474), (12, 72895), (15, 58316), (20, 43737), (30, 29158), (60, 14579), (61, 14340), (122, 7170), (183, 4780), (239, 3660), (244, 3585), (305, 2868), (366, 2390), (478, 1830), (610, 1434), (717, 1220), (732, 1195), (915, 956)]