180030640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 435329280

約数和(自身を除く): 255298640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 229, 248, 310, 317, 458, 496, 620, 634, 916, 1145, 1240, 1268, 1585, 1832, 2290, 2480, 2536, 3170, 3664, 4580, 5072, 6340, 7099, 9160, 9827, 12680, 14198, 18320, 19654, 25360, 28396, 35495, 39308, 49135, 56792, 70990, 72593, 78616, 98270, 113584, 141980, 145186, 157232, 196540, 283960, 290372, 362965, 393080, 567920, 580744, 725930, 786160, 1161488, 1451860, 2250383, 2903720, 4500766, 5807440, 9001532, 11251915, 18003064, 22503830, 36006128, 45007660, 90015320, 180030640]

約数ペア:

[(1, 180030640), (2, 90015320), (4, 45007660), (5, 36006128), (8, 22503830), (10, 18003064), (16, 11251915), (20, 9001532), (31, 5807440), (40, 4500766), (62, 2903720), (80, 2250383), (124, 1451860), (155, 1161488), (229, 786160), (248, 725930), (310, 580744), (317, 567920), (458, 393080), (496, 362965), (620, 290372), (634, 283960), (916, 196540), (1145, 157232), (1240, 145186), (1268, 141980), (1585, 113584), (1832, 98270), (2290, 78616), (2480, 72593), (2536, 70990), (3170, 56792), (3664, 49135), (4580, 39308), (5072, 35495), (6340, 28396), (7099, 25360), (9160, 19654), (9827, 18320), (12680, 14198)]