243885680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2374

約数の個数: 80

約数和(自身を含む): 599199744

約数和(自身を除く): 355314064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2287, 2480, 2666, 3440, 4574, 5332, 6665, 9148, 10664, 11435, 13330, 18296, 21328, 22870, 26660, 36592, 45740, 53320, 70897, 91480, 98341, 106640, 141794, 182960, 196682, 283588, 354485, 393364, 491705, 567176, 708970, 786728, 983410, 1134352, 1417940, 1573456, 1966820, 2835880, 3048571, 3933640, 5671760, 6097142, 7867280, 12194284, 15242855, 24388568, 30485710, 48777136, 60971420, 121942840, 243885680]

約数ペア:

[(1, 243885680), (2, 121942840), (4, 60971420), (5, 48777136), (8, 30485710), (10, 24388568), (16, 15242855), (20, 12194284), (31, 7867280), (40, 6097142), (43, 5671760), (62, 3933640), (80, 3048571), (86, 2835880), (124, 1966820), (155, 1573456), (172, 1417940), (215, 1134352), (248, 983410), (310, 786728), (344, 708970), (430, 567176), (496, 491705), (620, 393364), (688, 354485), (860, 283588), (1240, 196682), (1333, 182960), (1720, 141794), (2287, 106640), (2480, 98341), (2666, 91480), (3440, 70897), (4574, 53320), (5332, 45740), (6665, 36592), (9148, 26660), (10664, 22870), (11435, 21328), (13330, 18296)]