1620871728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{130379}}^1$

素因数の和:130434

約数の個数: 80

約数和(自身を含む): 4914804480

約数和(自身を除く): 3293932752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 3108, 4144, 6216, 12432, 130379, 260758, 391137, 521516, 782274, 912653, 1043032, 1564548, 1825306, 2086064, 2737959, 3129096, 3650612, 4824023, 5475918, 6258192, 7301224, 9648046, 10951836, 14472069, 14602448, 19296092, 21903672, 28944138, 33768161, 38592184, 43807344, 57888276, 67536322, 77184368, 101304483, 115776552, 135072644, 202608966, 231553104, 270145288, 405217932, 540290576, 810435864, 1620871728]

約数ペア:

[(1, 1620871728), (2, 810435864), (3, 540290576), (4, 405217932), (6, 270145288), (7, 231553104), (8, 202608966), (12, 135072644), (14, 115776552), (16, 101304483), (21, 77184368), (24, 67536322), (28, 57888276), (37, 43807344), (42, 38592184), (48, 33768161), (56, 28944138), (74, 21903672), (84, 19296092), (111, 14602448), (112, 14472069), (148, 10951836), (168, 9648046), (222, 7301224), (259, 6258192), (296, 5475918), (336, 4824023), (444, 3650612), (518, 3129096), (592, 2737959), (777, 2086064), (888, 1825306), (1036, 1564548), (1554, 1043032), (1776, 912653), (2072, 782274), (3108, 521516), (4144, 391137), (6216, 260758), (12432, 130379)]