120688760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 287280000

約数和(自身を除く): 166591240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 419, 758, 760, 838, 1516, 1676, 1895, 2095, 3032, 3352, 3790, 4190, 7201, 7580, 7961, 8380, 14402, 15160, 15922, 16760, 28804, 31844, 36005, 39805, 57608, 63688, 72010, 79610, 144020, 158801, 159220, 288040, 317602, 318440, 635204, 794005, 1270408, 1588010, 3017219, 3176020, 6034438, 6352040, 12068876, 15086095, 24137752, 30172190, 60344380, 120688760]

約数ペア:

[(1, 120688760), (2, 60344380), (4, 30172190), (5, 24137752), (8, 15086095), (10, 12068876), (19, 6352040), (20, 6034438), (38, 3176020), (40, 3017219), (76, 1588010), (95, 1270408), (152, 794005), (190, 635204), (379, 318440), (380, 317602), (419, 288040), (758, 159220), (760, 158801), (838, 144020), (1516, 79610), (1676, 72010), (1895, 63688), (2095, 57608), (3032, 39805), (3352, 36005), (3790, 31844), (4190, 28804), (7201, 16760), (7580, 15922), (7961, 15160), (8380, 14402)]