329840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 80

約数和(自身を含む): 952320

約数和(自身を除く): 622480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2945, 3472, 4123, 4340, 4712, 5320, 5890, 8246, 8680, 9424, 10640, 11780, 16492, 17360, 20615, 23560, 32984, 41230, 47120, 65968, 82460, 164920, 329840]

約数ペア:

[(1, 329840), (2, 164920), (4, 82460), (5, 65968), (7, 47120), (8, 41230), (10, 32984), (14, 23560), (16, 20615), (19, 17360), (20, 16492), (28, 11780), (31, 10640), (35, 9424), (38, 8680), (40, 8246), (56, 5890), (62, 5320), (70, 4712), (76, 4340), (80, 4123), (95, 3472), (112, 2945), (124, 2660), (133, 2480), (140, 2356), (152, 2170), (155, 2128), (190, 1736), (217, 1520), (248, 1330), (266, 1240), (280, 1178), (304, 1085), (310, 1064), (380, 868), (434, 760), (496, 665), (532, 620), (560, 589)]