81079600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1307

約数の個数: 120

約数和(自身を含む): 232485120

約数和(自身を除く): 151405520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1259, 1288, 1400, 1610, 1840, 2300, 2518, 2576, 2800, 3220, 4025, 4600, 5036, 6295, 6440, 8050, 8813, 9200, 10072, 12590, 12880, 16100, 17626, 20144, 25180, 28957, 31475, 32200, 35252, 44065, 50360, 57914, 62950, 64400, 70504, 88130, 100720, 115828, 125900, 141008, 144785, 176260, 202699, 220325, 231656, 251800, 289570, 352520, 405398, 440650, 463312, 503600, 579140, 705040, 723925, 810796, 881300, 1013495, 1158280, 1447850, 1621592, 1762600, 2026990, 2316560, 2895700, 3243184, 3525200, 4053980, 5067475, 5791400, 8107960, 10134950, 11582800, 16215920, 20269900, 40539800, 81079600]

約数ペア:

[(1, 81079600), (2, 40539800), (4, 20269900), (5, 16215920), (7, 11582800), (8, 10134950), (10, 8107960), (14, 5791400), (16, 5067475), (20, 4053980), (23, 3525200), (25, 3243184), (28, 2895700), (35, 2316560), (40, 2026990), (46, 1762600), (50, 1621592), (56, 1447850), (70, 1158280), (80, 1013495), (92, 881300), (100, 810796), (112, 723925), (115, 705040), (140, 579140), (161, 503600), (175, 463312), (184, 440650), (200, 405398), (230, 352520), (280, 289570), (322, 251800), (350, 231656), (368, 220325), (400, 202699), (460, 176260), (560, 144785), (575, 141008), (644, 125900), (700, 115828), (805, 100720), (920, 88130), (1150, 70504), (1259, 64400), (1288, 62950), (1400, 57914), (1610, 50360), (1840, 44065), (2300, 35252), (2518, 32200), (2576, 31475), (2800, 28957), (3220, 25180), (4025, 20144), (4600, 17626), (5036, 16100), (6295, 12880), (6440, 12590), (8050, 10072), (8813, 9200)]