400685007960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{372121}}^1$

素因数の和:373138

約数の個数: 128

約数和(自身を含む): 1336959921600

約数和(自身を除く): 936274913640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 997, 1080, 1994, 2991, 3988, 4985, 5982, 7976, 8973, 9970, 11964, 14955, 17946, 19940, 23928, 26919, 29910, 35892, 39880, 44865, 53838, 59820, 71784, 89730, 107676, 119640, 134595, 179460, 215352, 269190, 358920, 372121, 538380, 744242, 1076760, 1116363, 1488484, 1860605, 2232726, 2976968, 3349089, 3721210, 4465452, 5581815, 6698178, 7442420, 8930904, 10047267, 11163630, 13396356, 14884840, 16745445, 20094534, 22327260, 26792712, 33490890, 40189068, 44654520, 50236335, 66981780, 80378136, 100472670, 133963560, 200945340, 371004637, 401890680, 742009274, 1113013911, 1484018548, 1855023185, 2226027822, 2968037096, 3339041733, 3710046370, 4452055644, 5565069555, 6678083466, 7420092740, 8904111288, 10017125199, 11130139110, 13356166932, 14840185480, 16695208665, 20034250398, 22260278220, 26712333864, 33390417330, 40068500796, 44520556440, 50085625995, 66780834660, 80137001592, 100171251990, 133561669320, 200342503980, 400685007960]

約数ペア:

[(1, 400685007960), (2, 200342503980), (3, 133561669320), (4, 100171251990), (5, 80137001592), (6, 66780834660), (8, 50085625995), (9, 44520556440), (10, 40068500796), (12, 33390417330), (15, 26712333864), (18, 22260278220), (20, 20034250398), (24, 16695208665), (27, 14840185480), (30, 13356166932), (36, 11130139110), (40, 10017125199), (45, 8904111288), (54, 7420092740), (60, 6678083466), (72, 5565069555), (90, 4452055644), (108, 3710046370), (120, 3339041733), (135, 2968037096), (180, 2226027822), (216, 1855023185), (270, 1484018548), (360, 1113013911), (540, 742009274), (997, 401890680), (1080, 371004637), (1994, 200945340), (2991, 133963560), (3988, 100472670), (4985, 80378136), (5982, 66981780), (7976, 50236335), (8973, 44654520), (9970, 40189068), (11964, 33490890), (14955, 26792712), (17946, 22327260), (19940, 20094534), (23928, 16745445), (26919, 14884840), (29910, 13396356), (35892, 11163630), (39880, 10047267), (44865, 8930904), (53838, 7442420), (59820, 6698178), (71784, 5581815), (89730, 4465452), (107676, 3721210), (119640, 3349089), (134595, 2976968), (179460, 2232726), (215352, 1860605), (269190, 1488484), (358920, 1116363), (372121, 1076760), (538380, 744242)]