16765380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 53665920

約数和(自身を除く): 36900540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 131, 135, 158, 162, 180, 237, 262, 270, 316, 324, 393, 395, 405, 474, 524, 540, 655, 711, 786, 790, 810, 948, 1179, 1185, 1310, 1422, 1572, 1580, 1620, 1965, 2133, 2358, 2370, 2620, 2844, 3537, 3555, 3930, 4266, 4716, 4740, 5895, 6399, 7074, 7110, 7860, 8532, 10349, 10611, 10665, 11790, 12798, 14148, 14220, 17685, 20698, 21222, 21330, 23580, 25596, 31047, 31995, 35370, 41396, 42444, 42660, 51745, 53055, 62094, 63990, 70740, 93141, 103490, 106110, 124188, 127980, 155235, 186282, 206980, 212220, 279423, 310470, 372564, 465705, 558846, 620940, 838269, 931410, 1117692, 1397115, 1676538, 1862820, 2794230, 3353076, 4191345, 5588460, 8382690, 16765380]

約数ペア:

[(1, 16765380), (2, 8382690), (3, 5588460), (4, 4191345), (5, 3353076), (6, 2794230), (9, 1862820), (10, 1676538), (12, 1397115), (15, 1117692), (18, 931410), (20, 838269), (27, 620940), (30, 558846), (36, 465705), (45, 372564), (54, 310470), (60, 279423), (79, 212220), (81, 206980), (90, 186282), (108, 155235), (131, 127980), (135, 124188), (158, 106110), (162, 103490), (180, 93141), (237, 70740), (262, 63990), (270, 62094), (316, 53055), (324, 51745), (393, 42660), (395, 42444), (405, 41396), (474, 35370), (524, 31995), (540, 31047), (655, 25596), (711, 23580), (786, 21330), (790, 21222), (810, 20698), (948, 17685), (1179, 14220), (1185, 14148), (1310, 12798), (1422, 11790), (1572, 10665), (1580, 10611), (1620, 10349), (1965, 8532), (2133, 7860), (2358, 7110), (2370, 7074), (2620, 6399), (2844, 5895), (3537, 4740), (3555, 4716), (3930, 4266)]