145297320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{172973}}^1$

素因数の和:172994

約数の個数: 64

約数和(自身を含む): 498165120

約数和(自身を除く): 352867800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 172973, 345946, 518919, 691892, 864865, 1037838, 1210811, 1383784, 1729730, 2075676, 2421622, 2594595, 3459460, 3632433, 4151352, 4843244, 5189190, 6054055, 6918920, 7264866, 9686488, 10378380, 12108110, 14529732, 18162165, 20756760, 24216220, 29059464, 36324330, 48432440, 72648660, 145297320]

約数ペア:

[(1, 145297320), (2, 72648660), (3, 48432440), (4, 36324330), (5, 29059464), (6, 24216220), (7, 20756760), (8, 18162165), (10, 14529732), (12, 12108110), (14, 10378380), (15, 9686488), (20, 7264866), (21, 6918920), (24, 6054055), (28, 5189190), (30, 4843244), (35, 4151352), (40, 3632433), (42, 3459460), (56, 2594595), (60, 2421622), (70, 2075676), (84, 1729730), (105, 1383784), (120, 1210811), (140, 1037838), (168, 864865), (210, 691892), (280, 518919), (420, 345946), (840, 172973)]