1263656680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{220919}}^1$

素因数の和:220954

約数の個数: 64

約数和(自身を含む): 3340310400

約数和(自身を除く): 2076653720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 220919, 441838, 883676, 1104595, 1767352, 2209190, 2430109, 2871947, 4418380, 4860218, 5743894, 8836760, 9720436, 11487788, 12150545, 14359735, 19440872, 22975576, 24301090, 28719470, 31591417, 48602180, 57438940, 63182834, 97204360, 114877880, 126365668, 157957085, 252731336, 315914170, 631828340, 1263656680]

約数ペア:

[(1, 1263656680), (2, 631828340), (4, 315914170), (5, 252731336), (8, 157957085), (10, 126365668), (11, 114877880), (13, 97204360), (20, 63182834), (22, 57438940), (26, 48602180), (40, 31591417), (44, 28719470), (52, 24301090), (55, 22975576), (65, 19440872), (88, 14359735), (104, 12150545), (110, 11487788), (130, 9720436), (143, 8836760), (220, 5743894), (260, 4860218), (286, 4418380), (440, 2871947), (520, 2430109), (572, 2209190), (715, 1767352), (1144, 1104595), (1430, 883676), (2860, 441838), (5720, 220919)]