283671920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{821}}^1$

素因数の和:1458

約数の個数: 80

約数和(自身を含む): 755898048

約数和(自身を除く): 472226128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 617, 821, 1234, 1642, 2468, 3085, 3284, 4105, 4319, 4936, 5747, 6170, 6568, 8210, 8638, 9872, 11494, 12340, 13136, 16420, 17276, 21595, 22988, 24680, 28735, 32840, 34552, 43190, 45976, 49360, 57470, 65680, 69104, 86380, 91952, 114940, 172760, 229880, 345520, 459760, 506557, 1013114, 2026228, 2532785, 3545899, 4052456, 5065570, 7091798, 8104912, 10131140, 14183596, 17729495, 20262280, 28367192, 35458990, 40524560, 56734384, 70917980, 141835960, 283671920]

約数ペア:

[(1, 283671920), (2, 141835960), (4, 70917980), (5, 56734384), (7, 40524560), (8, 35458990), (10, 28367192), (14, 20262280), (16, 17729495), (20, 14183596), (28, 10131140), (35, 8104912), (40, 7091798), (56, 5065570), (70, 4052456), (80, 3545899), (112, 2532785), (140, 2026228), (280, 1013114), (560, 506557), (617, 459760), (821, 345520), (1234, 229880), (1642, 172760), (2468, 114940), (3085, 91952), (3284, 86380), (4105, 69104), (4319, 65680), (4936, 57470), (5747, 49360), (6170, 45976), (6568, 43190), (8210, 34552), (8638, 32840), (9872, 28735), (11494, 24680), (12340, 22988), (13136, 21595), (16420, 17276)]