72638580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:854

約数の個数: 144

約数和(自身を含む): 244532736

約数和(自身を除く): 171894156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 797, 868, 930, 980, 1085, 1302, 1470, 1519, 1594, 1860, 2170, 2391, 2604, 2940, 3038, 3188, 3255, 3985, 4340, 4557, 4782, 5579, 6076, 6510, 7595, 7970, 9114, 9564, 11158, 11955, 13020, 15190, 15940, 16737, 18228, 22316, 22785, 23910, 24707, 27895, 30380, 33474, 39053, 45570, 47820, 49414, 55790, 66948, 74121, 78106, 83685, 91140, 98828, 111580, 117159, 123535, 148242, 156212, 167370, 172949, 195265, 234318, 247070, 296484, 334740, 345898, 370605, 390530, 468636, 494140, 518847, 585795, 691796, 741210, 781060, 864745, 1037694, 1171590, 1210643, 1482420, 1729490, 2075388, 2343180, 2421286, 2594235, 3458980, 3631929, 4842572, 5188470, 6053215, 7263858, 10376940, 12106430, 14527716, 18159645, 24212860, 36319290, 72638580]

約数ペア:

[(1, 72638580), (2, 36319290), (3, 24212860), (4, 18159645), (5, 14527716), (6, 12106430), (7, 10376940), (10, 7263858), (12, 6053215), (14, 5188470), (15, 4842572), (20, 3631929), (21, 3458980), (28, 2594235), (30, 2421286), (31, 2343180), (35, 2075388), (42, 1729490), (49, 1482420), (60, 1210643), (62, 1171590), (70, 1037694), (84, 864745), (93, 781060), (98, 741210), (105, 691796), (124, 585795), (140, 518847), (147, 494140), (155, 468636), (186, 390530), (196, 370605), (210, 345898), (217, 334740), (245, 296484), (294, 247070), (310, 234318), (372, 195265), (420, 172949), (434, 167370), (465, 156212), (490, 148242), (588, 123535), (620, 117159), (651, 111580), (735, 98828), (797, 91140), (868, 83685), (930, 78106), (980, 74121), (1085, 66948), (1302, 55790), (1470, 49414), (1519, 47820), (1594, 45570), (1860, 39053), (2170, 33474), (2391, 30380), (2604, 27895), (2940, 24707), (3038, 23910), (3188, 22785), (3255, 22316), (3985, 18228), (4340, 16737), (4557, 15940), (4782, 15190), (5579, 13020), (6076, 11955), (6510, 11158), (7595, 9564), (7970, 9114)]