157072040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 367234560

約数和(自身を除く): 210162520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 643, 788, 985, 1240, 1286, 1576, 1970, 2572, 3215, 3940, 5144, 6107, 6430, 7880, 12214, 12860, 19933, 24428, 25720, 30535, 39866, 48856, 61070, 79732, 99665, 122140, 126671, 159464, 199330, 244280, 253342, 398660, 506684, 633355, 797320, 1013368, 1266710, 2533420, 3926801, 5066840, 7853602, 15707204, 19634005, 31414408, 39268010, 78536020, 157072040]

約数ペア:

[(1, 157072040), (2, 78536020), (4, 39268010), (5, 31414408), (8, 19634005), (10, 15707204), (20, 7853602), (31, 5066840), (40, 3926801), (62, 2533420), (124, 1266710), (155, 1013368), (197, 797320), (248, 633355), (310, 506684), (394, 398660), (620, 253342), (643, 244280), (788, 199330), (985, 159464), (1240, 126671), (1286, 122140), (1576, 99665), (1970, 79732), (2572, 61070), (3215, 48856), (3940, 39866), (5144, 30535), (6107, 25720), (6430, 24428), (7880, 19933), (12214, 12860)]