668360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 96

約数和(自身を含む): 1969920

約数和(自身を除く): 1301560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 88, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 248, 280, 308, 310, 341, 385, 392, 434, 440, 490, 539, 616, 620, 682, 770, 868, 980, 1078, 1085, 1240, 1364, 1519, 1540, 1705, 1736, 1960, 2156, 2170, 2387, 2695, 2728, 3038, 3080, 3410, 4312, 4340, 4774, 5390, 6076, 6820, 7595, 8680, 9548, 10780, 11935, 12152, 13640, 15190, 16709, 19096, 21560, 23870, 30380, 33418, 47740, 60760, 66836, 83545, 95480, 133672, 167090, 334180, 668360]

約数ペア:

[(1, 668360), (2, 334180), (4, 167090), (5, 133672), (7, 95480), (8, 83545), (10, 66836), (11, 60760), (14, 47740), (20, 33418), (22, 30380), (28, 23870), (31, 21560), (35, 19096), (40, 16709), (44, 15190), (49, 13640), (55, 12152), (56, 11935), (62, 10780), (70, 9548), (77, 8680), (88, 7595), (98, 6820), (110, 6076), (124, 5390), (140, 4774), (154, 4340), (155, 4312), (196, 3410), (217, 3080), (220, 3038), (245, 2728), (248, 2695), (280, 2387), (308, 2170), (310, 2156), (341, 1960), (385, 1736), (392, 1705), (434, 1540), (440, 1519), (490, 1364), (539, 1240), (616, 1085), (620, 1078), (682, 980), (770, 868)]