321160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 64

約数和(自身を含む): 875520

約数和(自身を除く): 554360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 434, 518, 620, 740, 868, 1036, 1085, 1147, 1240, 1295, 1480, 1736, 2072, 2170, 2294, 2590, 4340, 4588, 5180, 5735, 8029, 8680, 9176, 10360, 11470, 16058, 22940, 32116, 40145, 45880, 64232, 80290, 160580, 321160]

約数ペア:

[(1, 321160), (2, 160580), (4, 80290), (5, 64232), (7, 45880), (8, 40145), (10, 32116), (14, 22940), (20, 16058), (28, 11470), (31, 10360), (35, 9176), (37, 8680), (40, 8029), (56, 5735), (62, 5180), (70, 4588), (74, 4340), (124, 2590), (140, 2294), (148, 2170), (155, 2072), (185, 1736), (217, 1480), (248, 1295), (259, 1240), (280, 1147), (296, 1085), (310, 1036), (370, 868), (434, 740), (518, 620)]