80298180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 181519740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 53, 57, 60, 76, 90, 95, 106, 114, 159, 171, 180, 190, 212, 228, 265, 285, 318, 342, 380, 443, 477, 530, 570, 636, 684, 795, 855, 886, 954, 1007, 1060, 1140, 1329, 1590, 1710, 1772, 1908, 2014, 2215, 2385, 2658, 3021, 3180, 3420, 3987, 4028, 4430, 4770, 5035, 5316, 6042, 6645, 7974, 8417, 8860, 9063, 9540, 10070, 12084, 13290, 15105, 15948, 16834, 18126, 19935, 20140, 23479, 25251, 26580, 30210, 33668, 36252, 39870, 42085, 45315, 46958, 50502, 60420, 70437, 75753, 79740, 84170, 90630, 93916, 101004, 117395, 126255, 140874, 151506, 168340, 181260, 211311, 234790, 252510, 281748, 303012, 352185, 378765, 422622, 446101, 469580, 505020, 704370, 757530, 845244, 892202, 1056555, 1338303, 1408740, 1515060, 1784404, 2113110, 2230505, 2676606, 4014909, 4226220, 4461010, 5353212, 6691515, 8029818, 8922020, 13383030, 16059636, 20074545, 26766060, 40149090, 80298180]

約数ペア:

[(1, 80298180), (2, 40149090), (3, 26766060), (4, 20074545), (5, 16059636), (6, 13383030), (9, 8922020), (10, 8029818), (12, 6691515), (15, 5353212), (18, 4461010), (19, 4226220), (20, 4014909), (30, 2676606), (36, 2230505), (38, 2113110), (45, 1784404), (53, 1515060), (57, 1408740), (60, 1338303), (76, 1056555), (90, 892202), (95, 845244), (106, 757530), (114, 704370), (159, 505020), (171, 469580), (180, 446101), (190, 422622), (212, 378765), (228, 352185), (265, 303012), (285, 281748), (318, 252510), (342, 234790), (380, 211311), (443, 181260), (477, 168340), (530, 151506), (570, 140874), (636, 126255), (684, 117395), (795, 101004), (855, 93916), (886, 90630), (954, 84170), (1007, 79740), (1060, 75753), (1140, 70437), (1329, 60420), (1590, 50502), (1710, 46958), (1772, 45315), (1908, 42085), (2014, 39870), (2215, 36252), (2385, 33668), (2658, 30210), (3021, 26580), (3180, 25251), (3420, 23479), (3987, 20140), (4028, 19935), (4430, 18126), (4770, 16834), (5035, 15948), (5316, 15105), (6042, 13290), (6645, 12084), (7974, 10070), (8417, 9540), (8860, 9063)]