31118640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18523}}^1$

素因数の和:18546

約数の個数: 80

約数和(自身を含む): 110254848

約数和(自身を除く): 79136208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18523, 37046, 55569, 74092, 92615, 111138, 129661, 148184, 185230, 222276, 259322, 277845, 296368, 370460, 388983, 444552, 518644, 555690, 648305, 740920, 777966, 889104, 1037288, 1111380, 1296610, 1481840, 1555932, 1944915, 2074576, 2222760, 2593220, 3111864, 3889830, 4445520, 5186440, 6223728, 7779660, 10372880, 15559320, 31118640]

約数ペア:

[(1, 31118640), (2, 15559320), (3, 10372880), (4, 7779660), (5, 6223728), (6, 5186440), (7, 4445520), (8, 3889830), (10, 3111864), (12, 2593220), (14, 2222760), (15, 2074576), (16, 1944915), (20, 1555932), (21, 1481840), (24, 1296610), (28, 1111380), (30, 1037288), (35, 889104), (40, 777966), (42, 740920), (48, 648305), (56, 555690), (60, 518644), (70, 444552), (80, 388983), (84, 370460), (105, 296368), (112, 277845), (120, 259322), (140, 222276), (168, 185230), (210, 148184), (240, 129661), (280, 111138), (336, 92615), (420, 74092), (560, 55569), (840, 37046), (1680, 18523)]