75618400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 217204848

約数和(自身を除く): 141586448

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 176, 200, 208, 220, 260, 275, 286, 325, 352, 400, 416, 440, 520, 550, 572, 650, 661, 715, 800, 880, 1040, 1100, 1144, 1300, 1322, 1430, 1760, 2080, 2200, 2288, 2600, 2644, 2860, 3305, 3575, 4400, 4576, 5200, 5288, 5720, 6610, 7150, 7271, 8593, 8800, 10400, 10576, 11440, 13220, 14300, 14542, 16525, 17186, 21152, 22880, 26440, 28600, 29084, 33050, 34372, 36355, 42965, 52880, 57200, 58168, 66100, 68744, 72710, 85930, 94523, 105760, 114400, 116336, 132200, 137488, 145420, 171860, 181775, 189046, 214825, 232672, 264400, 274976, 290840, 343720, 363550, 378092, 429650, 472615, 528800, 581680, 687440, 727100, 756184, 859300, 945230, 1163360, 1374880, 1454200, 1512368, 1718600, 1890460, 2363075, 2908400, 3024736, 3437200, 3780920, 4726150, 5816800, 6874400, 7561840, 9452300, 15123680, 18904600, 37809200, 75618400]

約数ペア:

[(1, 75618400), (2, 37809200), (4, 18904600), (5, 15123680), (8, 9452300), (10, 7561840), (11, 6874400), (13, 5816800), (16, 4726150), (20, 3780920), (22, 3437200), (25, 3024736), (26, 2908400), (32, 2363075), (40, 1890460), (44, 1718600), (50, 1512368), (52, 1454200), (55, 1374880), (65, 1163360), (80, 945230), (88, 859300), (100, 756184), (104, 727100), (110, 687440), (130, 581680), (143, 528800), (160, 472615), (176, 429650), (200, 378092), (208, 363550), (220, 343720), (260, 290840), (275, 274976), (286, 264400), (325, 232672), (352, 214825), (400, 189046), (416, 181775), (440, 171860), (520, 145420), (550, 137488), (572, 132200), (650, 116336), (661, 114400), (715, 105760), (800, 94523), (880, 85930), (1040, 72710), (1100, 68744), (1144, 66100), (1300, 58168), (1322, 57200), (1430, 52880), (1760, 42965), (2080, 36355), (2200, 34372), (2288, 33050), (2600, 29084), (2644, 28600), (2860, 26440), (3305, 22880), (3575, 21152), (4400, 17186), (4576, 16525), (5200, 14542), (5288, 14300), (5720, 13220), (6610, 11440), (7150, 10576), (7271, 10400), (8593, 8800)]