56215770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 157489920

約数和(自身を除く): 101274150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 61, 65, 78, 85, 102, 122, 130, 139, 170, 183, 195, 221, 255, 278, 305, 366, 390, 417, 442, 510, 610, 663, 695, 793, 834, 915, 1037, 1105, 1326, 1390, 1586, 1807, 1830, 2074, 2085, 2210, 2363, 2379, 3111, 3315, 3614, 3965, 4170, 4726, 4758, 5185, 5421, 6222, 6630, 7089, 7930, 8479, 9035, 10370, 10842, 11815, 11895, 13481, 14178, 15555, 16958, 18070, 23630, 23790, 25437, 26962, 27105, 30719, 31110, 35445, 40443, 42395, 50874, 54210, 61438, 67405, 70890, 80886, 84790, 92157, 110227, 127185, 134810, 144143, 153595, 184314, 202215, 220454, 254370, 288286, 307190, 330681, 404430, 432429, 460785, 551135, 661362, 720715, 864858, 921570, 1102270, 1441430, 1653405, 1873859, 2162145, 3306810, 3747718, 4324290, 5621577, 9369295, 11243154, 18738590, 28107885, 56215770]

約数ペア:

[(1, 56215770), (2, 28107885), (3, 18738590), (5, 11243154), (6, 9369295), (10, 5621577), (13, 4324290), (15, 3747718), (17, 3306810), (26, 2162145), (30, 1873859), (34, 1653405), (39, 1441430), (51, 1102270), (61, 921570), (65, 864858), (78, 720715), (85, 661362), (102, 551135), (122, 460785), (130, 432429), (139, 404430), (170, 330681), (183, 307190), (195, 288286), (221, 254370), (255, 220454), (278, 202215), (305, 184314), (366, 153595), (390, 144143), (417, 134810), (442, 127185), (510, 110227), (610, 92157), (663, 84790), (695, 80886), (793, 70890), (834, 67405), (915, 61438), (1037, 54210), (1105, 50874), (1326, 42395), (1390, 40443), (1586, 35445), (1807, 31110), (1830, 30719), (2074, 27105), (2085, 26962), (2210, 25437), (2363, 23790), (2379, 23630), (3111, 18070), (3315, 16958), (3614, 15555), (3965, 14178), (4170, 13481), (4726, 11895), (4758, 11815), (5185, 10842), (5421, 10370), (6222, 9035), (6630, 8479), (7089, 7930)]