28283580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 102453120

約数和(自身を除く): 74169540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 79, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 158, 162, 170, 180, 195, 204, 221, 234, 237, 255, 260, 270, 306, 316, 324, 340, 351, 390, 395, 405, 442, 459, 468, 474, 510, 540, 585, 612, 663, 702, 711, 765, 780, 790, 810, 884, 918, 948, 1020, 1027, 1053, 1105, 1170, 1185, 1326, 1343, 1377, 1404, 1422, 1530, 1580, 1620, 1755, 1836, 1989, 2054, 2106, 2133, 2210, 2295, 2340, 2370, 2652, 2686, 2754, 2844, 3060, 3081, 3315, 3510, 3555, 3978, 4029, 4108, 4212, 4266, 4420, 4590, 4740, 5135, 5265, 5372, 5508, 5967, 6162, 6399, 6630, 6715, 6885, 7020, 7110, 7956, 8058, 8532, 9180, 9243, 9945, 10270, 10530, 10665, 11934, 12087, 12324, 12798, 13260, 13430, 13770, 14220, 15405, 16116, 17459, 17901, 18486, 19890, 20145, 20540, 21060, 21330, 23868, 24174, 25596, 26860, 27540, 27729, 29835, 30810, 31995, 34918, 35802, 36261, 36972, 39780, 40290, 42660, 46215, 48348, 52377, 55458, 59670, 60435, 61620, 63990, 69836, 71604, 72522, 80580, 83187, 87295, 89505, 92430, 104754, 108783, 110916, 119340, 120870, 127980, 138645, 145044, 157131, 166374, 174590, 179010, 181305, 184860, 209508, 217566, 241740, 261885, 277290, 314262, 332748, 349180, 358020, 362610, 415935, 435132, 471393, 523770, 543915, 554580, 628524, 725220, 785655, 831870, 942786, 1047540, 1087830, 1414179, 1571310, 1663740, 1885572, 2175660, 2356965, 2828358, 3142620, 4713930, 5656716, 7070895, 9427860, 14141790, 28283580]

約数ペア:

[(1, 28283580), (2, 14141790), (3, 9427860), (4, 7070895), (5, 5656716), (6, 4713930), (9, 3142620), (10, 2828358), (12, 2356965), (13, 2175660), (15, 1885572), (17, 1663740), (18, 1571310), (20, 1414179), (26, 1087830), (27, 1047540), (30, 942786), (34, 831870), (36, 785655), (39, 725220), (45, 628524), (51, 554580), (52, 543915), (54, 523770), (60, 471393), (65, 435132), (68, 415935), (78, 362610), (79, 358020), (81, 349180), (85, 332748), (90, 314262), (102, 277290), (108, 261885), (117, 241740), (130, 217566), (135, 209508), (153, 184860), (156, 181305), (158, 179010), (162, 174590), (170, 166374), (180, 157131), (195, 145044), (204, 138645), (221, 127980), (234, 120870), (237, 119340), (255, 110916), (260, 108783), (270, 104754), (306, 92430), (316, 89505), (324, 87295), (340, 83187), (351, 80580), (390, 72522), (395, 71604), (405, 69836), (442, 63990), (459, 61620), (468, 60435), (474, 59670), (510, 55458), (540, 52377), (585, 48348), (612, 46215), (663, 42660), (702, 40290), (711, 39780), (765, 36972), (780, 36261), (790, 35802), (810, 34918), (884, 31995), (918, 30810), (948, 29835), (1020, 27729), (1027, 27540), (1053, 26860), (1105, 25596), (1170, 24174), (1185, 23868), (1326, 21330), (1343, 21060), (1377, 20540), (1404, 20145), (1422, 19890), (1530, 18486), (1580, 17901), (1620, 17459), (1755, 16116), (1836, 15405), (1989, 14220), (2054, 13770), (2106, 13430), (2133, 13260), (2210, 12798), (2295, 12324), (2340, 12087), (2370, 11934), (2652, 10665), (2686, 10530), (2754, 10270), (2844, 9945), (3060, 9243), (3081, 9180), (3315, 8532), (3510, 8058), (3555, 7956), (3978, 7110), (4029, 7020), (4108, 6885), (4212, 6715), (4266, 6630), (4420, 6399), (4590, 6162), (4740, 5967), (5135, 5508), (5265, 5372)]