681966600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:832

約数の個数: 192

約数和(自身を含む): 2428118400

約数和(自身を除く): 1746151800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 397, 409, 420, 525, 600, 700, 794, 818, 840, 1050, 1191, 1227, 1400, 1588, 1636, 1985, 2045, 2100, 2382, 2454, 2779, 2863, 3176, 3272, 3970, 4090, 4200, 4764, 4908, 5558, 5726, 5955, 6135, 7940, 8180, 8337, 8589, 9528, 9816, 9925, 10225, 11116, 11452, 11910, 12270, 13895, 14315, 15880, 16360, 16674, 17178, 19850, 20450, 22232, 22904, 23820, 24540, 27790, 28630, 29775, 30675, 33348, 34356, 39700, 40900, 41685, 42945, 47640, 49080, 55580, 57260, 59550, 61350, 66696, 68712, 69475, 71575, 79400, 81800, 83370, 85890, 111160, 114520, 119100, 122700, 138950, 143150, 162373, 166740, 171780, 208425, 214725, 238200, 245400, 277900, 286300, 324746, 333480, 343560, 416850, 429450, 487119, 555800, 572600, 649492, 811865, 833700, 858900, 974238, 1136611, 1298984, 1623730, 1667400, 1717800, 1948476, 2273222, 2435595, 3247460, 3409833, 3896952, 4059325, 4546444, 4871190, 5683055, 6494920, 6819666, 8118650, 9092888, 9742380, 11366110, 12177975, 13639332, 16237300, 17049165, 19484760, 22732220, 24355950, 27278664, 28415275, 32474600, 34098330, 45464440, 48711900, 56830550, 68196660, 85245825, 97423800, 113661100, 136393320, 170491650, 227322200, 340983300, 681966600]

約数ペア:

[(1, 681966600), (2, 340983300), (3, 227322200), (4, 170491650), (5, 136393320), (6, 113661100), (7, 97423800), (8, 85245825), (10, 68196660), (12, 56830550), (14, 48711900), (15, 45464440), (20, 34098330), (21, 32474600), (24, 28415275), (25, 27278664), (28, 24355950), (30, 22732220), (35, 19484760), (40, 17049165), (42, 16237300), (50, 13639332), (56, 12177975), (60, 11366110), (70, 9742380), (75, 9092888), (84, 8118650), (100, 6819666), (105, 6494920), (120, 5683055), (140, 4871190), (150, 4546444), (168, 4059325), (175, 3896952), (200, 3409833), (210, 3247460), (280, 2435595), (300, 2273222), (350, 1948476), (397, 1717800), (409, 1667400), (420, 1623730), (525, 1298984), (600, 1136611), (700, 974238), (794, 858900), (818, 833700), (840, 811865), (1050, 649492), (1191, 572600), (1227, 555800), (1400, 487119), (1588, 429450), (1636, 416850), (1985, 343560), (2045, 333480), (2100, 324746), (2382, 286300), (2454, 277900), (2779, 245400), (2863, 238200), (3176, 214725), (3272, 208425), (3970, 171780), (4090, 166740), (4200, 162373), (4764, 143150), (4908, 138950), (5558, 122700), (5726, 119100), (5955, 114520), (6135, 111160), (7940, 85890), (8180, 83370), (8337, 81800), (8589, 79400), (9528, 71575), (9816, 69475), (9925, 68712), (10225, 66696), (11116, 61350), (11452, 59550), (11910, 57260), (12270, 55580), (13895, 49080), (14315, 47640), (15880, 42945), (16360, 41685), (16674, 40900), (17178, 39700), (19850, 34356), (20450, 33348), (22232, 30675), (22904, 29775), (23820, 28630), (24540, 27790)]