261605820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10211}}^1$

素因数の和:10291

約数の個数: 96

約数和(自身を含む): 850945536

約数和(自身を除く): 589339716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8540, 10211, 12810, 20422, 25620, 30633, 40844, 51055, 61266, 71477, 102110, 122532, 142954, 153165, 204220, 214431, 285908, 306330, 357385, 428862, 612660, 622871, 714770, 857724, 1072155, 1245742, 1429540, 1868613, 2144310, 2491484, 3114355, 3737226, 4288620, 4360097, 6228710, 7474452, 8720194, 9343065, 12457420, 13080291, 17440388, 18686130, 21800485, 26160582, 37372260, 43600970, 52321164, 65401455, 87201940, 130802910, 261605820]

約数ペア:

[(1, 261605820), (2, 130802910), (3, 87201940), (4, 65401455), (5, 52321164), (6, 43600970), (7, 37372260), (10, 26160582), (12, 21800485), (14, 18686130), (15, 17440388), (20, 13080291), (21, 12457420), (28, 9343065), (30, 8720194), (35, 7474452), (42, 6228710), (60, 4360097), (61, 4288620), (70, 3737226), (84, 3114355), (105, 2491484), (122, 2144310), (140, 1868613), (183, 1429540), (210, 1245742), (244, 1072155), (305, 857724), (366, 714770), (420, 622871), (427, 612660), (610, 428862), (732, 357385), (854, 306330), (915, 285908), (1220, 214431), (1281, 204220), (1708, 153165), (1830, 142954), (2135, 122532), (2562, 102110), (3660, 71477), (4270, 61266), (5124, 51055), (6405, 40844), (8540, 30633), (10211, 25620), (12810, 20422)]