79631860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 217183680

約数和(自身を除く): 137551820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 83, 89, 98, 110, 140, 154, 166, 178, 196, 220, 245, 308, 332, 356, 385, 415, 445, 490, 539, 581, 623, 770, 830, 890, 913, 979, 980, 1078, 1162, 1246, 1540, 1660, 1780, 1826, 1958, 2156, 2324, 2492, 2695, 2905, 3115, 3652, 3916, 4067, 4361, 4565, 4895, 5390, 5810, 6230, 6391, 6853, 7387, 8134, 8722, 9130, 9790, 10780, 11620, 12460, 12782, 13706, 14774, 16268, 17444, 18260, 19580, 20335, 21805, 25564, 27412, 29548, 31955, 34265, 36935, 40670, 43610, 44737, 47971, 51709, 63910, 68530, 73870, 81257, 81340, 87220, 89474, 95942, 103418, 127820, 137060, 147740, 162514, 178948, 191884, 206836, 223685, 239855, 258545, 325028, 361963, 406285, 447370, 479710, 517090, 568799, 723926, 812570, 894740, 959420, 1034180, 1137598, 1447852, 1625140, 1809815, 2275196, 2843995, 3619630, 3981593, 5687990, 7239260, 7963186, 11375980, 15926372, 19907965, 39815930, 79631860]

約数ペア:

[(1, 79631860), (2, 39815930), (4, 19907965), (5, 15926372), (7, 11375980), (10, 7963186), (11, 7239260), (14, 5687990), (20, 3981593), (22, 3619630), (28, 2843995), (35, 2275196), (44, 1809815), (49, 1625140), (55, 1447852), (70, 1137598), (77, 1034180), (83, 959420), (89, 894740), (98, 812570), (110, 723926), (140, 568799), (154, 517090), (166, 479710), (178, 447370), (196, 406285), (220, 361963), (245, 325028), (308, 258545), (332, 239855), (356, 223685), (385, 206836), (415, 191884), (445, 178948), (490, 162514), (539, 147740), (581, 137060), (623, 127820), (770, 103418), (830, 95942), (890, 89474), (913, 87220), (979, 81340), (980, 81257), (1078, 73870), (1162, 68530), (1246, 63910), (1540, 51709), (1660, 47971), (1780, 44737), (1826, 43610), (1958, 40670), (2156, 36935), (2324, 34265), (2492, 31955), (2695, 29548), (2905, 27412), (3115, 25564), (3652, 21805), (3916, 20335), (4067, 19580), (4361, 18260), (4565, 17444), (4895, 16268), (5390, 14774), (5810, 13706), (6230, 12782), (6391, 12460), (6853, 11620), (7387, 10780), (8134, 9790), (8722, 9130)]