72973040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 122014480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 419, 560, 622, 838, 1244, 1555, 1676, 2095, 2177, 2488, 2933, 3110, 3352, 4190, 4354, 4976, 5866, 6220, 6704, 8380, 8708, 10885, 11732, 12440, 14665, 16760, 17416, 21770, 23464, 24880, 29330, 33520, 34832, 43540, 46928, 58660, 87080, 117320, 130309, 174160, 234640, 260618, 521236, 651545, 912163, 1042472, 1303090, 1824326, 2084944, 2606180, 3648652, 4560815, 5212360, 7297304, 9121630, 10424720, 14594608, 18243260, 36486520, 72973040]

約数ペア:

[(1, 72973040), (2, 36486520), (4, 18243260), (5, 14594608), (7, 10424720), (8, 9121630), (10, 7297304), (14, 5212360), (16, 4560815), (20, 3648652), (28, 2606180), (35, 2084944), (40, 1824326), (56, 1303090), (70, 1042472), (80, 912163), (112, 651545), (140, 521236), (280, 260618), (311, 234640), (419, 174160), (560, 130309), (622, 117320), (838, 87080), (1244, 58660), (1555, 46928), (1676, 43540), (2095, 34832), (2177, 33520), (2488, 29330), (2933, 24880), (3110, 23464), (3352, 21770), (4190, 17416), (4354, 16760), (4976, 14665), (5866, 12440), (6220, 11732), (6704, 10885), (8380, 8708)]