64508700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2129}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 188581680

約数和(自身を除く): 124072980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 2129, 2525, 3030, 4258, 5050, 6060, 6387, 7575, 8516, 10100, 10645, 12774, 15150, 21290, 25548, 30300, 31935, 42580, 53225, 63870, 106450, 127740, 159675, 212900, 215029, 319350, 430058, 638700, 645087, 860116, 1075145, 1290174, 2150290, 2580348, 3225435, 4300580, 5375725, 6450870, 10751450, 12901740, 16127175, 21502900, 32254350, 64508700]

約数ペア:

[(1, 64508700), (2, 32254350), (3, 21502900), (4, 16127175), (5, 12901740), (6, 10751450), (10, 6450870), (12, 5375725), (15, 4300580), (20, 3225435), (25, 2580348), (30, 2150290), (50, 1290174), (60, 1075145), (75, 860116), (100, 645087), (101, 638700), (150, 430058), (202, 319350), (300, 215029), (303, 212900), (404, 159675), (505, 127740), (606, 106450), (1010, 63870), (1212, 53225), (1515, 42580), (2020, 31935), (2129, 30300), (2525, 25548), (3030, 21290), (4258, 15150), (5050, 12774), (6060, 10645), (6387, 10100), (7575, 8516)]