2020502025

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1601}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 3718690560

約数和(自身を除く): 1698188535

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 79, 213, 225, 237, 355, 395, 639, 711, 1065, 1185, 1601, 1775, 1975, 3195, 3555, 4803, 5325, 5609, 5925, 8005, 14409, 15975, 16827, 17775, 24015, 28045, 40025, 50481, 72045, 84135, 113671, 120075, 126479, 140225, 252405, 341013, 360225, 379437, 420675, 568355, 632395, 1023039, 1138311, 1262025, 1705065, 1897185, 2841775, 3161975, 5115195, 5691555, 8525325, 8980009, 9485925, 25575975, 26940027, 28457775, 44900045, 80820081, 134700135, 224500225, 404100405, 673500675, 2020502025]

約数ペア:

[(1, 2020502025), (3, 673500675), (5, 404100405), (9, 224500225), (15, 134700135), (25, 80820081), (45, 44900045), (71, 28457775), (75, 26940027), (79, 25575975), (213, 9485925), (225, 8980009), (237, 8525325), (355, 5691555), (395, 5115195), (639, 3161975), (711, 2841775), (1065, 1897185), (1185, 1705065), (1601, 1262025), (1775, 1138311), (1975, 1023039), (3195, 632395), (3555, 568355), (4803, 420675), (5325, 379437), (5609, 360225), (5925, 341013), (8005, 252405), (14409, 140225), (15975, 126479), (16827, 120075), (17775, 113671), (24015, 84135), (28045, 72045), (40025, 50481)]