81796000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 239203692

約数和(自身を除く): 157407692

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, 121, 125, 130, 143, 160, 169, 176, 200, 208, 220, 242, 250, 260, 275, 286, 325, 338, 352, 400, 416, 440, 484, 500, 520, 550, 572, 605, 650, 676, 715, 800, 845, 880, 968, 1000, 1040, 1100, 1144, 1210, 1300, 1352, 1375, 1430, 1573, 1625, 1690, 1760, 1859, 1936, 2000, 2080, 2200, 2288, 2420, 2600, 2704, 2750, 2860, 3025, 3146, 3250, 3380, 3575, 3718, 3872, 4000, 4225, 4400, 4576, 4840, 5200, 5408, 5500, 5720, 6050, 6292, 6500, 6760, 7150, 7436, 7865, 8450, 8800, 9295, 9680, 10400, 11000, 11440, 12100, 12584, 13000, 13520, 14300, 14872, 15125, 15730, 16900, 17875, 18590, 19360, 20449, 21125, 22000, 22880, 24200, 25168, 26000, 27040, 28600, 29744, 30250, 31460, 33800, 35750, 37180, 39325, 40898, 42250, 44000, 46475, 48400, 50336, 52000, 57200, 59488, 60500, 62920, 67600, 71500, 74360, 78650, 81796, 84500, 92950, 96800, 102245, 114400, 121000, 125840, 135200, 143000, 148720, 157300, 163592, 169000, 185900, 196625, 204490, 232375, 242000, 251680, 286000, 297440, 314600, 327184, 338000, 371800, 393250, 408980, 464750, 484000, 511225, 572000, 629200, 654368, 676000, 743600, 786500, 817960, 929500, 1022450, 1258400, 1487200, 1573000, 1635920, 1859000, 2044900, 2556125, 3146000, 3271840, 3718000, 4089800, 5112250, 6292000, 7436000, 8179600, 10224500, 16359200, 20449000, 40898000, 81796000]

約数ペア:

[(1, 81796000), (2, 40898000), (4, 20449000), (5, 16359200), (8, 10224500), (10, 8179600), (11, 7436000), (13, 6292000), (16, 5112250), (20, 4089800), (22, 3718000), (25, 3271840), (26, 3146000), (32, 2556125), (40, 2044900), (44, 1859000), (50, 1635920), (52, 1573000), (55, 1487200), (65, 1258400), (80, 1022450), (88, 929500), (100, 817960), (104, 786500), (110, 743600), (121, 676000), (125, 654368), (130, 629200), (143, 572000), (160, 511225), (169, 484000), (176, 464750), (200, 408980), (208, 393250), (220, 371800), (242, 338000), (250, 327184), (260, 314600), (275, 297440), (286, 286000), (325, 251680), (338, 242000), (352, 232375), (400, 204490), (416, 196625), (440, 185900), (484, 169000), (500, 163592), (520, 157300), (550, 148720), (572, 143000), (605, 135200), (650, 125840), (676, 121000), (715, 114400), (800, 102245), (845, 96800), (880, 92950), (968, 84500), (1000, 81796), (1040, 78650), (1100, 74360), (1144, 71500), (1210, 67600), (1300, 62920), (1352, 60500), (1375, 59488), (1430, 57200), (1573, 52000), (1625, 50336), (1690, 48400), (1760, 46475), (1859, 44000), (1936, 42250), (2000, 40898), (2080, 39325), (2200, 37180), (2288, 35750), (2420, 33800), (2600, 31460), (2704, 30250), (2750, 29744), (2860, 28600), (3025, 27040), (3146, 26000), (3250, 25168), (3380, 24200), (3575, 22880), (3718, 22000), (3872, 21125), (4000, 20449), (4225, 19360), (4400, 18590), (4576, 17875), (4840, 16900), (5200, 15730), (5408, 15125), (5500, 14872), (5720, 14300), (6050, 13520), (6292, 13000), (6500, 12584), (6760, 12100), (7150, 11440), (7436, 11000), (7865, 10400), (8450, 9680), (8800, 9295)]