66944800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 181441512

約数和(自身を除く): 114496712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 157, 160, 164, 200, 205, 208, 260, 314, 325, 328, 400, 410, 416, 520, 533, 628, 650, 656, 785, 800, 820, 1025, 1040, 1066, 1256, 1300, 1312, 1570, 1640, 2041, 2050, 2080, 2132, 2512, 2600, 2665, 3140, 3280, 3925, 4082, 4100, 4264, 5024, 5200, 5330, 6280, 6437, 6560, 7850, 8164, 8200, 8528, 10205, 10400, 10660, 12560, 12874, 13325, 15700, 16328, 16400, 17056, 20410, 21320, 25120, 25748, 26650, 31400, 32185, 32656, 32800, 40820, 42640, 51025, 51496, 53300, 62800, 64370, 65312, 81640, 83681, 85280, 102050, 102992, 106600, 125600, 128740, 160925, 163280, 167362, 204100, 205984, 213200, 257480, 321850, 326560, 334724, 408200, 418405, 426400, 514960, 643700, 669448, 816400, 836810, 1029920, 1287400, 1338896, 1632800, 1673620, 2092025, 2574800, 2677792, 3347240, 4184050, 5149600, 6694480, 8368100, 13388960, 16736200, 33472400, 66944800]

約数ペア:

[(1, 66944800), (2, 33472400), (4, 16736200), (5, 13388960), (8, 8368100), (10, 6694480), (13, 5149600), (16, 4184050), (20, 3347240), (25, 2677792), (26, 2574800), (32, 2092025), (40, 1673620), (41, 1632800), (50, 1338896), (52, 1287400), (65, 1029920), (80, 836810), (82, 816400), (100, 669448), (104, 643700), (130, 514960), (157, 426400), (160, 418405), (164, 408200), (200, 334724), (205, 326560), (208, 321850), (260, 257480), (314, 213200), (325, 205984), (328, 204100), (400, 167362), (410, 163280), (416, 160925), (520, 128740), (533, 125600), (628, 106600), (650, 102992), (656, 102050), (785, 85280), (800, 83681), (820, 81640), (1025, 65312), (1040, 64370), (1066, 62800), (1256, 53300), (1300, 51496), (1312, 51025), (1570, 42640), (1640, 40820), (2041, 32800), (2050, 32656), (2080, 32185), (2132, 31400), (2512, 26650), (2600, 25748), (2665, 25120), (3140, 21320), (3280, 20410), (3925, 17056), (4082, 16400), (4100, 16328), (4264, 15700), (5024, 13325), (5200, 12874), (5330, 12560), (6280, 10660), (6437, 10400), (6560, 10205), (7850, 8528), (8164, 8200)]