61234040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{571}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 158146560

約数和(自身を除く): 96912520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 383, 571, 766, 1142, 1532, 1915, 2284, 2681, 2855, 3064, 3830, 3997, 4568, 5362, 5710, 7660, 7994, 10724, 11420, 13405, 15320, 15988, 19985, 21448, 22840, 26810, 31976, 39970, 53620, 79940, 107240, 159880, 218693, 437386, 874772, 1093465, 1530851, 1749544, 2186930, 3061702, 4373860, 6123404, 7654255, 8747720, 12246808, 15308510, 30617020, 61234040]

約数ペア:

[(1, 61234040), (2, 30617020), (4, 15308510), (5, 12246808), (7, 8747720), (8, 7654255), (10, 6123404), (14, 4373860), (20, 3061702), (28, 2186930), (35, 1749544), (40, 1530851), (56, 1093465), (70, 874772), (140, 437386), (280, 218693), (383, 159880), (571, 107240), (766, 79940), (1142, 53620), (1532, 39970), (1915, 31976), (2284, 26810), (2681, 22840), (2855, 21448), (3064, 19985), (3830, 15988), (3997, 15320), (4568, 13405), (5362, 11420), (5710, 10724), (7660, 7994)]