139026320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1024

約数の個数: 80

約数和(自身を含む): 339502080

約数和(自身を除く): 200475760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 919, 976, 1220, 1240, 1838, 1891, 2440, 2480, 3676, 3782, 4595, 4880, 7352, 7564, 9190, 9455, 14704, 15128, 18380, 18910, 28489, 30256, 36760, 37820, 56059, 56978, 73520, 75640, 112118, 113956, 142445, 151280, 224236, 227912, 280295, 284890, 448472, 455824, 560590, 569780, 896944, 1121180, 1139560, 1737829, 2242360, 2279120, 3475658, 4484720, 6951316, 8689145, 13902632, 17378290, 27805264, 34756580, 69513160, 139026320]

約数ペア:

[(1, 139026320), (2, 69513160), (4, 34756580), (5, 27805264), (8, 17378290), (10, 13902632), (16, 8689145), (20, 6951316), (31, 4484720), (40, 3475658), (61, 2279120), (62, 2242360), (80, 1737829), (122, 1139560), (124, 1121180), (155, 896944), (244, 569780), (248, 560590), (305, 455824), (310, 448472), (488, 284890), (496, 280295), (610, 227912), (620, 224236), (919, 151280), (976, 142445), (1220, 113956), (1240, 112118), (1838, 75640), (1891, 73520), (2440, 56978), (2480, 56059), (3676, 37820), (3782, 36760), (4595, 30256), (4880, 28489), (7352, 18910), (7564, 18380), (9190, 15128), (9455, 14704)]