156907120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 379975680

約数和(自身を除く): 223068560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 248, 302, 310, 419, 496, 604, 620, 755, 838, 1208, 1240, 1510, 1676, 2095, 2416, 2480, 3020, 3352, 4190, 4681, 6040, 6704, 8380, 9362, 12080, 12989, 16760, 18724, 23405, 25978, 33520, 37448, 46810, 51956, 63269, 64945, 74896, 93620, 103912, 126538, 129890, 187240, 207824, 253076, 259780, 316345, 374480, 506152, 519560, 632690, 1012304, 1039120, 1265380, 1961339, 2530760, 3922678, 5061520, 7845356, 9806695, 15690712, 19613390, 31381424, 39226780, 78453560, 156907120]

約数ペア:

[(1, 156907120), (2, 78453560), (4, 39226780), (5, 31381424), (8, 19613390), (10, 15690712), (16, 9806695), (20, 7845356), (31, 5061520), (40, 3922678), (62, 2530760), (80, 1961339), (124, 1265380), (151, 1039120), (155, 1012304), (248, 632690), (302, 519560), (310, 506152), (419, 374480), (496, 316345), (604, 259780), (620, 253076), (755, 207824), (838, 187240), (1208, 129890), (1240, 126538), (1510, 103912), (1676, 93620), (2095, 74896), (2416, 64945), (2480, 63269), (3020, 51956), (3352, 46810), (4190, 37448), (4681, 33520), (6040, 25978), (6704, 23405), (8380, 18724), (9362, 16760), (12080, 12989)]