161851620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{401}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 536505984

約数和(自身を除く): 374654364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 401, 420, 434, 465, 620, 651, 802, 868, 930, 961, 1085, 1203, 1302, 1604, 1860, 1922, 2005, 2170, 2406, 2604, 2807, 2883, 3255, 3844, 4010, 4340, 4805, 4812, 5614, 5766, 6015, 6510, 6727, 8020, 8421, 9610, 11228, 11532, 12030, 12431, 13020, 13454, 14035, 14415, 16842, 19220, 20181, 24060, 24862, 26908, 28070, 28830, 33635, 33684, 37293, 40362, 42105, 49724, 56140, 57660, 62155, 67270, 74586, 80724, 84210, 87017, 100905, 124310, 134540, 149172, 168420, 174034, 186465, 201810, 248620, 261051, 348068, 372930, 385361, 403620, 435085, 522102, 745860, 770722, 870170, 1044204, 1156083, 1305255, 1541444, 1740340, 1926805, 2312166, 2610510, 2697527, 3853610, 4624332, 5221020, 5395054, 5780415, 7707220, 8092581, 10790108, 11560830, 13487635, 16185162, 23121660, 26975270, 32370324, 40462905, 53950540, 80925810, 161851620]

約数ペア:

[(1, 161851620), (2, 80925810), (3, 53950540), (4, 40462905), (5, 32370324), (6, 26975270), (7, 23121660), (10, 16185162), (12, 13487635), (14, 11560830), (15, 10790108), (20, 8092581), (21, 7707220), (28, 5780415), (30, 5395054), (31, 5221020), (35, 4624332), (42, 3853610), (60, 2697527), (62, 2610510), (70, 2312166), (84, 1926805), (93, 1740340), (105, 1541444), (124, 1305255), (140, 1156083), (155, 1044204), (186, 870170), (210, 770722), (217, 745860), (310, 522102), (372, 435085), (401, 403620), (420, 385361), (434, 372930), (465, 348068), (620, 261051), (651, 248620), (802, 201810), (868, 186465), (930, 174034), (961, 168420), (1085, 149172), (1203, 134540), (1302, 124310), (1604, 100905), (1860, 87017), (1922, 84210), (2005, 80724), (2170, 74586), (2406, 67270), (2604, 62155), (2807, 57660), (2883, 56140), (3255, 49724), (3844, 42105), (4010, 40362), (4340, 37293), (4805, 33684), (4812, 33635), (5614, 28830), (5766, 28070), (6015, 26908), (6510, 24862), (6727, 24060), (8020, 20181), (8421, 19220), (9610, 16842), (11228, 14415), (11532, 14035), (12030, 13454), (12431, 13020)]