149997840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20161}}^1$

素因数の和:20208

約数の個数: 80

約数和(自身を含む): 480016896

約数和(自身を除く): 330019056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 20161, 40322, 60483, 80644, 100805, 120966, 161288, 201610, 241932, 302415, 322576, 403220, 483864, 604830, 624991, 806440, 967728, 1209660, 1249982, 1612880, 1874973, 2419320, 2499964, 3124955, 3749946, 4838640, 4999928, 6249910, 7499892, 9374865, 9999856, 12499820, 14999784, 18749730, 24999640, 29999568, 37499460, 49999280, 74998920, 149997840]

約数ペア:

[(1, 149997840), (2, 74998920), (3, 49999280), (4, 37499460), (5, 29999568), (6, 24999640), (8, 18749730), (10, 14999784), (12, 12499820), (15, 9999856), (16, 9374865), (20, 7499892), (24, 6249910), (30, 4999928), (31, 4838640), (40, 3749946), (48, 3124955), (60, 2499964), (62, 2419320), (80, 1874973), (93, 1612880), (120, 1249982), (124, 1209660), (155, 967728), (186, 806440), (240, 624991), (248, 604830), (310, 483864), (372, 403220), (465, 322576), (496, 302415), (620, 241932), (744, 201610), (930, 161288), (1240, 120966), (1488, 100805), (1860, 80644), (2480, 60483), (3720, 40322), (7440, 20161)]