28334040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 98496000

約数和(自身を除く): 70161960

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, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 379, 420, 445, 534, 623, 712, 758, 840, 890, 1068, 1137, 1246, 1335, 1516, 1780, 1869, 1895, 2136, 2274, 2492, 2653, 2670, 3032, 3115, 3560, 3738, 3790, 4548, 4984, 5306, 5340, 5685, 6230, 7476, 7580, 7959, 9096, 9345, 10612, 10680, 11370, 12460, 13265, 14952, 15160, 15918, 18690, 21224, 22740, 24920, 26530, 31836, 33731, 37380, 39795, 45480, 53060, 63672, 67462, 74760, 79590, 101193, 106120, 134924, 159180, 168655, 202386, 236117, 269848, 318360, 337310, 404772, 472234, 505965, 674620, 708351, 809544, 944468, 1011930, 1180585, 1349240, 1416702, 1888936, 2023860, 2361170, 2833404, 3541755, 4047720, 4722340, 5666808, 7083510, 9444680, 14167020, 28334040]

約数ペア:

[(1, 28334040), (2, 14167020), (3, 9444680), (4, 7083510), (5, 5666808), (6, 4722340), (7, 4047720), (8, 3541755), (10, 2833404), (12, 2361170), (14, 2023860), (15, 1888936), (20, 1416702), (21, 1349240), (24, 1180585), (28, 1011930), (30, 944468), (35, 809544), (40, 708351), (42, 674620), (56, 505965), (60, 472234), (70, 404772), (84, 337310), (89, 318360), (105, 269848), (120, 236117), (140, 202386), (168, 168655), (178, 159180), (210, 134924), (267, 106120), (280, 101193), (356, 79590), (379, 74760), (420, 67462), (445, 63672), (534, 53060), (623, 45480), (712, 39795), (758, 37380), (840, 33731), (890, 31836), (1068, 26530), (1137, 24920), (1246, 22740), (1335, 21224), (1516, 18690), (1780, 15918), (1869, 15160), (1895, 14952), (2136, 13265), (2274, 12460), (2492, 11370), (2653, 10680), (2670, 10612), (3032, 9345), (3115, 9096), (3560, 7959), (3738, 7580), (3790, 7476), (4548, 6230), (4984, 5685), (5306, 5340)]