138978240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2130

約数の個数: 112

約数和(自身を含む): 447690240

約数和(自身を除く): 308712000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 480, 568, 710, 852, 960, 1065, 1136, 1420, 1704, 2039, 2130, 2272, 2840, 3408, 4078, 4260, 4544, 5680, 6117, 6816, 8156, 8520, 10195, 11360, 12234, 13632, 16312, 17040, 20390, 22720, 24468, 30585, 32624, 34080, 40780, 48936, 61170, 65248, 68160, 81560, 97872, 122340, 130496, 144769, 163120, 195744, 244680, 289538, 326240, 391488, 434307, 489360, 579076, 652480, 723845, 868614, 978720, 1158152, 1447690, 1737228, 1957440, 2171535, 2316304, 2895380, 3474456, 4343070, 4632608, 5790760, 6948912, 8686140, 9265216, 11581520, 13897824, 17372280, 23163040, 27795648, 34744560, 46326080, 69489120, 138978240]

約数ペア:

[(1, 138978240), (2, 69489120), (3, 46326080), (4, 34744560), (5, 27795648), (6, 23163040), (8, 17372280), (10, 13897824), (12, 11581520), (15, 9265216), (16, 8686140), (20, 6948912), (24, 5790760), (30, 4632608), (32, 4343070), (40, 3474456), (48, 2895380), (60, 2316304), (64, 2171535), (71, 1957440), (80, 1737228), (96, 1447690), (120, 1158152), (142, 978720), (160, 868614), (192, 723845), (213, 652480), (240, 579076), (284, 489360), (320, 434307), (355, 391488), (426, 326240), (480, 289538), (568, 244680), (710, 195744), (852, 163120), (960, 144769), (1065, 130496), (1136, 122340), (1420, 97872), (1704, 81560), (2039, 68160), (2130, 65248), (2272, 61170), (2840, 48936), (3408, 40780), (4078, 34080), (4260, 32624), (4544, 30585), (5680, 24468), (6117, 22720), (6816, 20390), (8156, 17040), (8520, 16312), (10195, 13632), (11360, 12234)]