1279650840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9883}}^1$

素因数の和:9993

約数の個数: 128

約数和(自身を含む): 4184490240

約数和(自身を除く): 2904839400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 83, 104, 120, 130, 156, 166, 195, 249, 260, 312, 332, 390, 415, 498, 520, 664, 780, 830, 996, 1079, 1245, 1560, 1660, 1992, 2158, 2490, 3237, 3320, 4316, 4980, 5395, 6474, 8632, 9883, 9960, 10790, 12948, 16185, 19766, 21580, 25896, 29649, 32370, 39532, 43160, 49415, 59298, 64740, 79064, 98830, 118596, 128479, 129480, 148245, 197660, 237192, 256958, 296490, 385437, 395320, 513916, 592980, 642395, 770874, 820289, 1027832, 1185960, 1284790, 1541748, 1640578, 1927185, 2460867, 2569580, 3083496, 3281156, 3854370, 4101445, 4921734, 5139160, 6562312, 7708740, 8202890, 9843468, 10663757, 12304335, 15417480, 16405780, 19686936, 21327514, 24608670, 31991271, 32811560, 42655028, 49217340, 53318785, 63982542, 85310056, 98434680, 106637570, 127965084, 159956355, 213275140, 255930168, 319912710, 426550280, 639825420, 1279650840]

約数ペア:

[(1, 1279650840), (2, 639825420), (3, 426550280), (4, 319912710), (5, 255930168), (6, 213275140), (8, 159956355), (10, 127965084), (12, 106637570), (13, 98434680), (15, 85310056), (20, 63982542), (24, 53318785), (26, 49217340), (30, 42655028), (39, 32811560), (40, 31991271), (52, 24608670), (60, 21327514), (65, 19686936), (78, 16405780), (83, 15417480), (104, 12304335), (120, 10663757), (130, 9843468), (156, 8202890), (166, 7708740), (195, 6562312), (249, 5139160), (260, 4921734), (312, 4101445), (332, 3854370), (390, 3281156), (415, 3083496), (498, 2569580), (520, 2460867), (664, 1927185), (780, 1640578), (830, 1541748), (996, 1284790), (1079, 1185960), (1245, 1027832), (1560, 820289), (1660, 770874), (1992, 642395), (2158, 592980), (2490, 513916), (3237, 395320), (3320, 385437), (4316, 296490), (4980, 256958), (5395, 237192), (6474, 197660), (8632, 148245), (9883, 129480), (9960, 128479), (10790, 118596), (12948, 98830), (16185, 79064), (19766, 64740), (21580, 59298), (25896, 49415), (29649, 43160), (32370, 39532)]