79218900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 216

約数和(自身を含む): 268107840

約数和(自身を除く): 188888940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 30, 36, 43, 45, 46, 50, 60, 69, 75, 86, 89, 90, 92, 100, 115, 129, 138, 150, 172, 178, 180, 207, 215, 225, 230, 258, 267, 276, 300, 345, 356, 387, 414, 430, 445, 450, 460, 516, 534, 575, 645, 690, 774, 801, 828, 860, 890, 900, 989, 1035, 1068, 1075, 1150, 1290, 1335, 1380, 1548, 1602, 1725, 1780, 1935, 1978, 2047, 2070, 2150, 2225, 2300, 2580, 2670, 2967, 3204, 3225, 3450, 3827, 3870, 3956, 4005, 4094, 4140, 4300, 4450, 4945, 5175, 5340, 5934, 6141, 6450, 6675, 6900, 7654, 7740, 8010, 8188, 8900, 8901, 9675, 9890, 10235, 10350, 11481, 11868, 12282, 12900, 13350, 14835, 15308, 16020, 17802, 18423, 19135, 19350, 19780, 20025, 20470, 20700, 22962, 24564, 24725, 26700, 29670, 30705, 34443, 35604, 36846, 38270, 38700, 40050, 40940, 44505, 45924, 49450, 51175, 57405, 59340, 61410, 68886, 73692, 74175, 76540, 80100, 88021, 89010, 92115, 95675, 98900, 102350, 114810, 122820, 137772, 148350, 153525, 172215, 176042, 178020, 184230, 191350, 204700, 222525, 229620, 264063, 287025, 296700, 307050, 344430, 352084, 368460, 382700, 440105, 445050, 460575, 528126, 574050, 614100, 688860, 792189, 861075, 880210, 890100, 921150, 1056252, 1148100, 1320315, 1584378, 1722150, 1760420, 1842300, 2200525, 2640630, 3168756, 3444300, 3960945, 4401050, 5281260, 6601575, 7921890, 8802100, 13203150, 15843780, 19804725, 26406300, 39609450, 79218900]

約数ペア:

[(1, 79218900), (2, 39609450), (3, 26406300), (4, 19804725), (5, 15843780), (6, 13203150), (9, 8802100), (10, 7921890), (12, 6601575), (15, 5281260), (18, 4401050), (20, 3960945), (23, 3444300), (25, 3168756), (30, 2640630), (36, 2200525), (43, 1842300), (45, 1760420), (46, 1722150), (50, 1584378), (60, 1320315), (69, 1148100), (75, 1056252), (86, 921150), (89, 890100), (90, 880210), (92, 861075), (100, 792189), (115, 688860), (129, 614100), (138, 574050), (150, 528126), (172, 460575), (178, 445050), (180, 440105), (207, 382700), (215, 368460), (225, 352084), (230, 344430), (258, 307050), (267, 296700), (276, 287025), (300, 264063), (345, 229620), (356, 222525), (387, 204700), (414, 191350), (430, 184230), (445, 178020), (450, 176042), (460, 172215), (516, 153525), (534, 148350), (575, 137772), (645, 122820), (690, 114810), (774, 102350), (801, 98900), (828, 95675), (860, 92115), (890, 89010), (900, 88021), (989, 80100), (1035, 76540), (1068, 74175), (1075, 73692), (1150, 68886), (1290, 61410), (1335, 59340), (1380, 57405), (1548, 51175), (1602, 49450), (1725, 45924), (1780, 44505), (1935, 40940), (1978, 40050), (2047, 38700), (2070, 38270), (2150, 36846), (2225, 35604), (2300, 34443), (2580, 30705), (2670, 29670), (2967, 26700), (3204, 24725), (3225, 24564), (3450, 22962), (3827, 20700), (3870, 20470), (3956, 20025), (4005, 19780), (4094, 19350), (4140, 19135), (4300, 18423), (4450, 17802), (4945, 16020), (5175, 15308), (5340, 14835), (5934, 13350), (6141, 12900), (6450, 12282), (6675, 11868), (6900, 11481), (7654, 10350), (7740, 10235), (8010, 9890), (8188, 9675), (8900, 8901)]