81014220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 283832640

約数和(自身を除く): 202818420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 565, 569, 630, 678, 791, 1017, 1130, 1138, 1260, 1356, 1582, 1695, 1707, 2034, 2260, 2276, 2373, 2845, 3164, 3390, 3414, 3955, 3983, 4068, 4746, 5085, 5121, 5690, 6780, 6828, 7119, 7910, 7966, 8535, 9492, 10170, 10242, 11380, 11865, 11949, 14238, 15820, 15932, 17070, 19915, 20340, 20484, 23730, 23898, 25605, 28476, 34140, 35595, 35847, 39830, 47460, 47796, 51210, 59745, 64297, 71190, 71694, 79660, 102420, 119490, 128594, 142380, 143388, 179235, 192891, 238980, 257188, 321485, 358470, 385782, 450079, 578673, 642970, 716940, 771564, 900158, 964455, 1157346, 1285940, 1350237, 1800316, 1928910, 2250395, 2314692, 2700474, 2893365, 3857820, 4050711, 4500790, 5400948, 5786730, 6751185, 8101422, 9001580, 11573460, 13502370, 16202844, 20253555, 27004740, 40507110, 81014220]

約数ペア:

[(1, 81014220), (2, 40507110), (3, 27004740), (4, 20253555), (5, 16202844), (6, 13502370), (7, 11573460), (9, 9001580), (10, 8101422), (12, 6751185), (14, 5786730), (15, 5400948), (18, 4500790), (20, 4050711), (21, 3857820), (28, 2893365), (30, 2700474), (35, 2314692), (36, 2250395), (42, 1928910), (45, 1800316), (60, 1350237), (63, 1285940), (70, 1157346), (84, 964455), (90, 900158), (105, 771564), (113, 716940), (126, 642970), (140, 578673), (180, 450079), (210, 385782), (226, 358470), (252, 321485), (315, 257188), (339, 238980), (420, 192891), (452, 179235), (565, 143388), (569, 142380), (630, 128594), (678, 119490), (791, 102420), (1017, 79660), (1130, 71694), (1138, 71190), (1260, 64297), (1356, 59745), (1582, 51210), (1695, 47796), (1707, 47460), (2034, 39830), (2260, 35847), (2276, 35595), (2373, 34140), (2845, 28476), (3164, 25605), (3390, 23898), (3414, 23730), (3955, 20484), (3983, 20340), (4068, 19915), (4746, 17070), (5085, 15932), (5121, 15820), (5690, 14238), (6780, 11949), (6828, 11865), (7119, 11380), (7910, 10242), (7966, 10170), (8535, 9492)]