127812800

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 168

約数和(自身を含む): 344692224

約数和(自身を除く): 216879424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 64, 68, 74, 80, 85, 100, 127, 136, 148, 160, 170, 185, 200, 254, 272, 296, 320, 340, 370, 400, 425, 508, 544, 592, 629, 635, 680, 740, 800, 850, 925, 1016, 1088, 1184, 1258, 1270, 1360, 1480, 1600, 1700, 1850, 2032, 2159, 2368, 2516, 2540, 2720, 2960, 3145, 3175, 3400, 3700, 4064, 4318, 4699, 5032, 5080, 5440, 5920, 6290, 6350, 6800, 7400, 8128, 8636, 9398, 10064, 10160, 10795, 11840, 12580, 12700, 13600, 14800, 15725, 17272, 18796, 20128, 20320, 21590, 23495, 25160, 25400, 27200, 29600, 31450, 34544, 37592, 40256, 40640, 43180, 46990, 50320, 50800, 53975, 59200, 62900, 69088, 75184, 79883, 86360, 93980, 100640, 101600, 107950, 117475, 125800, 138176, 150368, 159766, 172720, 187960, 201280, 203200, 215900, 234950, 251600, 300736, 319532, 345440, 375920, 399415, 431800, 469900, 503200, 639064, 690880, 751840, 798830, 863600, 939800, 1006400, 1278128, 1503680, 1597660, 1727200, 1879600, 1997075, 2556256, 3195320, 3454400, 3759200, 3994150, 5112512, 6390640, 7518400, 7988300, 12781280, 15976600, 25562560, 31953200, 63906400, 127812800]

約数ペア:

[(1, 127812800), (2, 63906400), (4, 31953200), (5, 25562560), (8, 15976600), (10, 12781280), (16, 7988300), (17, 7518400), (20, 6390640), (25, 5112512), (32, 3994150), (34, 3759200), (37, 3454400), (40, 3195320), (50, 2556256), (64, 1997075), (68, 1879600), (74, 1727200), (80, 1597660), (85, 1503680), (100, 1278128), (127, 1006400), (136, 939800), (148, 863600), (160, 798830), (170, 751840), (185, 690880), (200, 639064), (254, 503200), (272, 469900), (296, 431800), (320, 399415), (340, 375920), (370, 345440), (400, 319532), (425, 300736), (508, 251600), (544, 234950), (592, 215900), (629, 203200), (635, 201280), (680, 187960), (740, 172720), (800, 159766), (850, 150368), (925, 138176), (1016, 125800), (1088, 117475), (1184, 107950), (1258, 101600), (1270, 100640), (1360, 93980), (1480, 86360), (1600, 79883), (1700, 75184), (1850, 69088), (2032, 62900), (2159, 59200), (2368, 53975), (2516, 50800), (2540, 50320), (2720, 46990), (2960, 43180), (3145, 40640), (3175, 40256), (3400, 37592), (3700, 34544), (4064, 31450), (4318, 29600), (4699, 27200), (5032, 25400), (5080, 25160), (5440, 23495), (5920, 21590), (6290, 20320), (6350, 20128), (6800, 18796), (7400, 17272), (8128, 15725), (8636, 14800), (9398, 13600), (10064, 12700), (10160, 12580), (10795, 11840)]