820787580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17471}}^1$

素因数の和:17521

約数の個数: 120

約数和(自身を含む): 2663781120

約数和(自身を除く): 1842993540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 405, 435, 522, 540, 580, 783, 810, 870, 1044, 1305, 1566, 1620, 1740, 2349, 2610, 3132, 3915, 4698, 5220, 7830, 9396, 11745, 15660, 17471, 23490, 34942, 46980, 52413, 69884, 87355, 104826, 157239, 174710, 209652, 262065, 314478, 349420, 471717, 506659, 524130, 628956, 786195, 943434, 1013318, 1048260, 1415151, 1519977, 1572390, 1886868, 2026636, 2358585, 2533295, 2830302, 3039954, 3144780, 4559931, 4717170, 5066590, 5660604, 6079908, 7075755, 7599885, 9119862, 9434340, 10133180, 13679793, 14151510, 15199770, 18239724, 22799655, 27359586, 28303020, 30399540, 41039379, 45599310, 54719172, 68398965, 82078758, 91198620, 136797930, 164157516, 205196895, 273595860, 410393790, 820787580]

約数ペア:

[(1, 820787580), (2, 410393790), (3, 273595860), (4, 205196895), (5, 164157516), (6, 136797930), (9, 91198620), (10, 82078758), (12, 68398965), (15, 54719172), (18, 45599310), (20, 41039379), (27, 30399540), (29, 28303020), (30, 27359586), (36, 22799655), (45, 18239724), (54, 15199770), (58, 14151510), (60, 13679793), (81, 10133180), (87, 9434340), (90, 9119862), (108, 7599885), (116, 7075755), (135, 6079908), (145, 5660604), (162, 5066590), (174, 4717170), (180, 4559931), (261, 3144780), (270, 3039954), (290, 2830302), (324, 2533295), (348, 2358585), (405, 2026636), (435, 1886868), (522, 1572390), (540, 1519977), (580, 1415151), (783, 1048260), (810, 1013318), (870, 943434), (1044, 786195), (1305, 628956), (1566, 524130), (1620, 506659), (1740, 471717), (2349, 349420), (2610, 314478), (3132, 262065), (3915, 209652), (4698, 174710), (5220, 157239), (7830, 104826), (9396, 87355), (11745, 69884), (15660, 52413), (17471, 46980), (23490, 34942)]