145186440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{563}}^1$

素因数の和:891

約数の個数: 128

約数和(自身を含む): 500290560

約数和(自身を除く): 355104120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 307, 420, 563, 614, 840, 921, 1126, 1228, 1535, 1689, 1842, 2149, 2252, 2456, 2815, 3070, 3378, 3684, 3941, 4298, 4504, 4605, 5630, 6140, 6447, 6756, 7368, 7882, 8445, 8596, 9210, 10745, 11260, 11823, 12280, 12894, 13512, 15764, 16890, 17192, 18420, 19705, 21490, 22520, 23646, 25788, 31528, 32235, 33780, 36840, 39410, 42980, 47292, 51576, 59115, 64470, 67560, 78820, 85960, 94584, 118230, 128940, 157640, 172841, 236460, 257880, 345682, 472920, 518523, 691364, 864205, 1037046, 1209887, 1382728, 1728410, 2074092, 2419774, 2592615, 3456820, 3629661, 4148184, 4839548, 5185230, 6049435, 6913640, 7259322, 9679096, 10370460, 12098870, 14518644, 18148305, 20740920, 24197740, 29037288, 36296610, 48395480, 72593220, 145186440]

約数ペア:

[(1, 145186440), (2, 72593220), (3, 48395480), (4, 36296610), (5, 29037288), (6, 24197740), (7, 20740920), (8, 18148305), (10, 14518644), (12, 12098870), (14, 10370460), (15, 9679096), (20, 7259322), (21, 6913640), (24, 6049435), (28, 5185230), (30, 4839548), (35, 4148184), (40, 3629661), (42, 3456820), (56, 2592615), (60, 2419774), (70, 2074092), (84, 1728410), (105, 1382728), (120, 1209887), (140, 1037046), (168, 864205), (210, 691364), (280, 518523), (307, 472920), (420, 345682), (563, 257880), (614, 236460), (840, 172841), (921, 157640), (1126, 128940), (1228, 118230), (1535, 94584), (1689, 85960), (1842, 78820), (2149, 67560), (2252, 64470), (2456, 59115), (2815, 51576), (3070, 47292), (3378, 42980), (3684, 39410), (3941, 36840), (4298, 33780), (4504, 32235), (4605, 31528), (5630, 25788), (6140, 23646), (6447, 22520), (6756, 21490), (7368, 19705), (7882, 18420), (8445, 17192), (8596, 16890), (9210, 15764), (10745, 13512), (11260, 12894), (11823, 12280)]