331796720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 800686848

約数和(自身を除く): 468890128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 337, 397, 496, 620, 674, 794, 1240, 1348, 1588, 1685, 1985, 2480, 2696, 3176, 3370, 3970, 5392, 6352, 6740, 7940, 10447, 12307, 13480, 15880, 20894, 24614, 26960, 31760, 41788, 49228, 52235, 61535, 83576, 98456, 104470, 123070, 133789, 167152, 196912, 208940, 246140, 267578, 417880, 492280, 535156, 668945, 835760, 984560, 1070312, 1337890, 2140624, 2675780, 4147459, 5351560, 8294918, 10703120, 16589836, 20737295, 33179672, 41474590, 66359344, 82949180, 165898360, 331796720]

約数ペア:

[(1, 331796720), (2, 165898360), (4, 82949180), (5, 66359344), (8, 41474590), (10, 33179672), (16, 20737295), (20, 16589836), (31, 10703120), (40, 8294918), (62, 5351560), (80, 4147459), (124, 2675780), (155, 2140624), (248, 1337890), (310, 1070312), (337, 984560), (397, 835760), (496, 668945), (620, 535156), (674, 492280), (794, 417880), (1240, 267578), (1348, 246140), (1588, 208940), (1685, 196912), (1985, 167152), (2480, 133789), (2696, 123070), (3176, 104470), (3370, 98456), (3970, 83576), (5392, 61535), (6352, 52235), (6740, 49228), (7940, 41788), (10447, 31760), (12307, 26960), (13480, 24614), (15880, 20894)]