816946620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{1153}}^1$

素因数の和:1420

約数の個数: 144

約数和(自身を含む): 2674270368

約数和(自身を除く): 1857323748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 241, 245, 294, 420, 482, 490, 588, 723, 735, 964, 980, 1153, 1205, 1446, 1470, 1687, 2306, 2410, 2892, 2940, 3374, 3459, 3615, 4612, 4820, 5061, 5765, 6748, 6918, 7230, 8071, 8435, 10122, 11530, 11809, 13836, 14460, 16142, 16870, 17295, 20244, 23060, 23618, 24213, 25305, 32284, 33740, 34590, 35427, 40355, 47236, 48426, 50610, 56497, 59045, 69180, 70854, 80710, 96852, 101220, 112994, 118090, 121065, 141708, 161420, 169491, 177135, 225988, 236180, 242130, 277873, 282485, 338982, 354270, 484260, 555746, 564970, 677964, 708540, 833619, 847455, 1111492, 1129940, 1389365, 1667238, 1694910, 1945111, 2778730, 3334476, 3389820, 3890222, 4168095, 5557460, 5835333, 7780444, 8336190, 9725555, 11670666, 13615777, 16672380, 19451110, 23341332, 27231554, 29176665, 38902220, 40847331, 54463108, 58353330, 68078885, 81694662, 116706660, 136157770, 163389324, 204236655, 272315540, 408473310, 816946620]

約数ペア:

[(1, 816946620), (2, 408473310), (3, 272315540), (4, 204236655), (5, 163389324), (6, 136157770), (7, 116706660), (10, 81694662), (12, 68078885), (14, 58353330), (15, 54463108), (20, 40847331), (21, 38902220), (28, 29176665), (30, 27231554), (35, 23341332), (42, 19451110), (49, 16672380), (60, 13615777), (70, 11670666), (84, 9725555), (98, 8336190), (105, 7780444), (140, 5835333), (147, 5557460), (196, 4168095), (210, 3890222), (241, 3389820), (245, 3334476), (294, 2778730), (420, 1945111), (482, 1694910), (490, 1667238), (588, 1389365), (723, 1129940), (735, 1111492), (964, 847455), (980, 833619), (1153, 708540), (1205, 677964), (1446, 564970), (1470, 555746), (1687, 484260), (2306, 354270), (2410, 338982), (2892, 282485), (2940, 277873), (3374, 242130), (3459, 236180), (3615, 225988), (4612, 177135), (4820, 169491), (5061, 161420), (5765, 141708), (6748, 121065), (6918, 118090), (7230, 112994), (8071, 101220), (8435, 96852), (10122, 80710), (11530, 70854), (11809, 69180), (13836, 59045), (14460, 56497), (16142, 50610), (16870, 48426), (17295, 47236), (20244, 40355), (23060, 35427), (23618, 34590), (24213, 33740), (25305, 32284)]