64882400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 176894928

約数和(自身を除く): 112012528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 73, 80, 88, 100, 101, 110, 146, 160, 176, 200, 202, 220, 275, 292, 352, 365, 400, 404, 440, 505, 550, 584, 730, 800, 803, 808, 880, 1010, 1100, 1111, 1168, 1460, 1606, 1616, 1760, 1825, 2020, 2200, 2222, 2336, 2525, 2920, 3212, 3232, 3650, 4015, 4040, 4400, 4444, 5050, 5555, 5840, 6424, 7300, 7373, 8030, 8080, 8800, 8888, 10100, 11110, 11680, 12848, 14600, 14746, 16060, 16160, 17776, 20075, 20200, 22220, 25696, 27775, 29200, 29492, 32120, 35552, 36865, 40150, 40400, 44440, 55550, 58400, 58984, 64240, 73730, 80300, 80800, 81103, 88880, 111100, 117968, 128480, 147460, 160600, 162206, 177760, 184325, 222200, 235936, 294920, 321200, 324412, 368650, 405515, 444400, 589840, 642400, 648824, 737300, 811030, 888800, 1179680, 1297648, 1474600, 1622060, 2027575, 2595296, 2949200, 3244120, 4055150, 5898400, 6488240, 8110300, 12976480, 16220600, 32441200, 64882400]

約数ペア:

[(1, 64882400), (2, 32441200), (4, 16220600), (5, 12976480), (8, 8110300), (10, 6488240), (11, 5898400), (16, 4055150), (20, 3244120), (22, 2949200), (25, 2595296), (32, 2027575), (40, 1622060), (44, 1474600), (50, 1297648), (55, 1179680), (73, 888800), (80, 811030), (88, 737300), (100, 648824), (101, 642400), (110, 589840), (146, 444400), (160, 405515), (176, 368650), (200, 324412), (202, 321200), (220, 294920), (275, 235936), (292, 222200), (352, 184325), (365, 177760), (400, 162206), (404, 160600), (440, 147460), (505, 128480), (550, 117968), (584, 111100), (730, 88880), (800, 81103), (803, 80800), (808, 80300), (880, 73730), (1010, 64240), (1100, 58984), (1111, 58400), (1168, 55550), (1460, 44440), (1606, 40400), (1616, 40150), (1760, 36865), (1825, 35552), (2020, 32120), (2200, 29492), (2222, 29200), (2336, 27775), (2525, 25696), (2920, 22220), (3212, 20200), (3232, 20075), (3650, 17776), (4015, 16160), (4040, 16060), (4400, 14746), (4444, 14600), (5050, 12848), (5555, 11680), (5840, 11110), (6424, 10100), (7300, 8888), (7373, 8800), (8030, 8080)]