81140490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 225375696

約数和(自身を除く): 144235206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 181, 255, 293, 306, 362, 510, 543, 586, 765, 879, 905, 1086, 1465, 1530, 1629, 1758, 1810, 2637, 2715, 2930, 3077, 3258, 4395, 4981, 5274, 5430, 6154, 8145, 8790, 9231, 9962, 13185, 14943, 15385, 16290, 18462, 24905, 26370, 27693, 29886, 30770, 44829, 46155, 49810, 53033, 55386, 74715, 89658, 92310, 106066, 138465, 149430, 159099, 224145, 265165, 276930, 318198, 448290, 477297, 530330, 795495, 901561, 954594, 1590990, 1803122, 2386485, 2704683, 4507805, 4772970, 5409366, 8114049, 9015610, 13523415, 16228098, 27046830, 40570245, 81140490]

約数ペア:

[(1, 81140490), (2, 40570245), (3, 27046830), (5, 16228098), (6, 13523415), (9, 9015610), (10, 8114049), (15, 5409366), (17, 4772970), (18, 4507805), (30, 2704683), (34, 2386485), (45, 1803122), (51, 1590990), (85, 954594), (90, 901561), (102, 795495), (153, 530330), (170, 477297), (181, 448290), (255, 318198), (293, 276930), (306, 265165), (362, 224145), (510, 159099), (543, 149430), (586, 138465), (765, 106066), (879, 92310), (905, 89658), (1086, 74715), (1465, 55386), (1530, 53033), (1629, 49810), (1758, 46155), (1810, 44829), (2637, 30770), (2715, 29886), (2930, 27693), (3077, 26370), (3258, 24905), (4395, 18462), (4981, 16290), (5274, 15385), (5430, 14943), (6154, 13185), (8145, 9962), (8790, 9231)]