328719680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 112

約数和(自身を含む): 831738240

約数和(自身を除く): 503018560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 59, 64, 80, 92, 115, 118, 160, 184, 230, 236, 295, 320, 368, 460, 472, 590, 736, 757, 920, 944, 1180, 1357, 1472, 1514, 1840, 1888, 2360, 2714, 3028, 3680, 3776, 3785, 4720, 5428, 6056, 6785, 7360, 7570, 9440, 10856, 12112, 13570, 15140, 17411, 18880, 21712, 24224, 27140, 30280, 34822, 43424, 44663, 48448, 54280, 60560, 69644, 86848, 87055, 89326, 108560, 121120, 139288, 174110, 178652, 217120, 223315, 242240, 278576, 348220, 357304, 434240, 446630, 557152, 696440, 714608, 893260, 1027249, 1114304, 1392880, 1429216, 1786520, 2054498, 2785760, 2858432, 3573040, 4108996, 5136245, 5571520, 7146080, 8217992, 10272490, 14292160, 16435984, 20544980, 32871968, 41089960, 65743936, 82179920, 164359840, 328719680]

約数ペア:

[(1, 328719680), (2, 164359840), (4, 82179920), (5, 65743936), (8, 41089960), (10, 32871968), (16, 20544980), (20, 16435984), (23, 14292160), (32, 10272490), (40, 8217992), (46, 7146080), (59, 5571520), (64, 5136245), (80, 4108996), (92, 3573040), (115, 2858432), (118, 2785760), (160, 2054498), (184, 1786520), (230, 1429216), (236, 1392880), (295, 1114304), (320, 1027249), (368, 893260), (460, 714608), (472, 696440), (590, 557152), (736, 446630), (757, 434240), (920, 357304), (944, 348220), (1180, 278576), (1357, 242240), (1472, 223315), (1514, 217120), (1840, 178652), (1888, 174110), (2360, 139288), (2714, 121120), (3028, 108560), (3680, 89326), (3776, 87055), (3785, 86848), (4720, 69644), (5428, 60560), (6056, 54280), (6785, 48448), (7360, 44663), (7570, 43424), (9440, 34822), (10856, 30280), (12112, 27140), (13570, 24224), (15140, 21712), (17411, 18880)]