20180376990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{17851}}^1$

素因数の和:17999

約数の個数: 128

約数和(自身を含む): 55526860800

約数和(自身を除く): 35346483810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 79, 90, 106, 135, 158, 159, 237, 265, 270, 318, 395, 474, 477, 530, 711, 790, 795, 954, 1185, 1422, 1431, 1590, 2133, 2370, 2385, 2862, 3555, 4187, 4266, 4770, 7110, 7155, 8374, 10665, 12561, 14310, 17851, 20935, 21330, 25122, 35702, 37683, 41870, 53553, 62805, 75366, 89255, 107106, 113049, 125610, 160659, 178510, 188415, 226098, 267765, 321318, 376830, 481977, 535530, 565245, 803295, 946103, 963954, 1130490, 1410229, 1606590, 1892206, 2409885, 2820458, 2838309, 4230687, 4730515, 4819770, 5676618, 7051145, 8461374, 8514927, 9461030, 12692061, 14102290, 14191545, 17029854, 21153435, 25384122, 25544781, 28383090, 38076183, 42306870, 42574635, 51089562, 63460305, 74742137, 76152366, 85149270, 126920610, 127723905, 149484274, 190380915, 224226411, 255447810, 373710685, 380761830, 448452822, 672679233, 747421370, 1121132055, 1345358466, 2018037699, 2242264110, 3363396165, 4036075398, 6726792330, 10090188495, 20180376990]

約数ペア:

[(1, 20180376990), (2, 10090188495), (3, 6726792330), (5, 4036075398), (6, 3363396165), (9, 2242264110), (10, 2018037699), (15, 1345358466), (18, 1121132055), (27, 747421370), (30, 672679233), (45, 448452822), (53, 380761830), (54, 373710685), (79, 255447810), (90, 224226411), (106, 190380915), (135, 149484274), (158, 127723905), (159, 126920610), (237, 85149270), (265, 76152366), (270, 74742137), (318, 63460305), (395, 51089562), (474, 42574635), (477, 42306870), (530, 38076183), (711, 28383090), (790, 25544781), (795, 25384122), (954, 21153435), (1185, 17029854), (1422, 14191545), (1431, 14102290), (1590, 12692061), (2133, 9461030), (2370, 8514927), (2385, 8461374), (2862, 7051145), (3555, 5676618), (4187, 4819770), (4266, 4730515), (4770, 4230687), (7110, 2838309), (7155, 2820458), (8374, 2409885), (10665, 1892206), (12561, 1606590), (14310, 1410229), (17851, 1130490), (20935, 963954), (21330, 946103), (25122, 803295), (35702, 565245), (37683, 535530), (41870, 481977), (53553, 376830), (62805, 321318), (75366, 267765), (89255, 226098), (107106, 188415), (113049, 178510), (125610, 160659)]