172411920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239461}}^1$

素因数の和:239480

約数の個数: 60

約数和(自身を含む): 579019116

約数和(自身を除く): 406607196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 239461, 478922, 718383, 957844, 1197305, 1436766, 1915688, 2155149, 2394610, 2873532, 3591915, 3831376, 4310298, 4789220, 5747064, 7183830, 8620596, 9578440, 10775745, 11494128, 14367660, 17241192, 19156880, 21551490, 28735320, 34482384, 43102980, 57470640, 86205960, 172411920]

約数ペア:

[(1, 172411920), (2, 86205960), (3, 57470640), (4, 43102980), (5, 34482384), (6, 28735320), (8, 21551490), (9, 19156880), (10, 17241192), (12, 14367660), (15, 11494128), (16, 10775745), (18, 9578440), (20, 8620596), (24, 7183830), (30, 5747064), (36, 4789220), (40, 4310298), (45, 3831376), (48, 3591915), (60, 2873532), (72, 2394610), (80, 2155149), (90, 1915688), (120, 1436766), (144, 1197305), (180, 957844), (240, 718383), (360, 478922), (720, 239461)]