161177220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10061}}^1$

素因数の和:10165

約数の個数: 72

約数和(自身を含む): 494446680

約数和(自身を除く): 333269460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 10061, 16020, 20122, 30183, 40244, 50305, 60366, 90549, 100610, 120732, 150915, 181098, 201220, 301830, 362196, 452745, 603660, 895429, 905490, 1790858, 1810980, 2686287, 3581716, 4477145, 5372574, 8058861, 8954290, 10745148, 13431435, 16117722, 17908580, 26862870, 32235444, 40294305, 53725740, 80588610, 161177220]

約数ペア:

[(1, 161177220), (2, 80588610), (3, 53725740), (4, 40294305), (5, 32235444), (6, 26862870), (9, 17908580), (10, 16117722), (12, 13431435), (15, 10745148), (18, 8954290), (20, 8058861), (30, 5372574), (36, 4477145), (45, 3581716), (60, 2686287), (89, 1810980), (90, 1790858), (178, 905490), (180, 895429), (267, 603660), (356, 452745), (445, 362196), (534, 301830), (801, 201220), (890, 181098), (1068, 150915), (1335, 120732), (1602, 100610), (1780, 90549), (2670, 60366), (3204, 50305), (4005, 40244), (5340, 30183), (8010, 20122), (10061, 16020)]