659680

素因数分解:

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

素因数の和:72

約数の個数: 96

約数和(自身を含む): 1935360

約数和(自身を除く): 1275680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 380, 434, 496, 532, 560, 589, 608, 620, 665, 760, 868, 992, 1064, 1085, 1120, 1178, 1240, 1330, 1520, 1736, 2128, 2170, 2356, 2480, 2660, 2945, 3040, 3472, 4123, 4256, 4340, 4712, 4960, 5320, 5890, 6944, 8246, 8680, 9424, 10640, 11780, 16492, 17360, 18848, 20615, 21280, 23560, 32984, 34720, 41230, 47120, 65968, 82460, 94240, 131936, 164920, 329840, 659680]

約数ペア:

[(1, 659680), (2, 329840), (4, 164920), (5, 131936), (7, 94240), (8, 82460), (10, 65968), (14, 47120), (16, 41230), (19, 34720), (20, 32984), (28, 23560), (31, 21280), (32, 20615), (35, 18848), (38, 17360), (40, 16492), (56, 11780), (62, 10640), (70, 9424), (76, 8680), (80, 8246), (95, 6944), (112, 5890), (124, 5320), (133, 4960), (140, 4712), (152, 4340), (155, 4256), (160, 4123), (190, 3472), (217, 3040), (224, 2945), (248, 2660), (266, 2480), (280, 2356), (304, 2170), (310, 2128), (380, 1736), (434, 1520), (496, 1330), (532, 1240), (560, 1178), (589, 1120), (608, 1085), (620, 1064), (665, 992), (760, 868)]