2018490075

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1074

約数の個数: 108

約数和(自身を含む): 4229604288

約数和(自身を除く): 2211114213

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 223, 225, 245, 315, 441, 525, 669, 735, 821, 1115, 1225, 1561, 1575, 2007, 2205, 2463, 3345, 3675, 4105, 4683, 5575, 5747, 7389, 7805, 10035, 10927, 11025, 12315, 14049, 16725, 17241, 20525, 23415, 28735, 32781, 36945, 39025, 40229, 50175, 51723, 54635, 61575, 70245, 86205, 98343, 117075, 120687, 143675, 163905, 183083, 184725, 201145, 258615, 273175, 351225, 362061, 431025, 491715, 549249, 603435, 819525, 915415, 1005725, 1281581, 1293075, 1647747, 1810305, 2458575, 2746245, 3017175, 3844743, 4577075, 6407905, 8238735, 8971067, 9051525, 11534229, 13731225, 19223715, 26913201, 32039525, 41193675, 44855335, 57671145, 80739603, 96118575, 134566005, 224276675, 288355725, 403698015, 672830025, 2018490075]

約数ペア:

[(1, 2018490075), (3, 672830025), (5, 403698015), (7, 288355725), (9, 224276675), (15, 134566005), (21, 96118575), (25, 80739603), (35, 57671145), (45, 44855335), (49, 41193675), (63, 32039525), (75, 26913201), (105, 19223715), (147, 13731225), (175, 11534229), (223, 9051525), (225, 8971067), (245, 8238735), (315, 6407905), (441, 4577075), (525, 3844743), (669, 3017175), (735, 2746245), (821, 2458575), (1115, 1810305), (1225, 1647747), (1561, 1293075), (1575, 1281581), (2007, 1005725), (2205, 915415), (2463, 819525), (3345, 603435), (3675, 549249), (4105, 491715), (4683, 431025), (5575, 362061), (5747, 351225), (7389, 273175), (7805, 258615), (10035, 201145), (10927, 184725), (11025, 183083), (12315, 163905), (14049, 143675), (16725, 120687), (17241, 117075), (20525, 98343), (23415, 86205), (28735, 70245), (32781, 61575), (36945, 54635), (39025, 51723), (40229, 50175)]