81788000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 241532928

約数和(自身を除く): 159744928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 125, 127, 140, 160, 161, 175, 184, 200, 224, 230, 250, 254, 280, 322, 350, 368, 400, 460, 500, 508, 560, 575, 635, 644, 700, 736, 800, 805, 875, 889, 920, 1000, 1016, 1120, 1150, 1270, 1288, 1400, 1610, 1750, 1778, 1840, 2000, 2032, 2300, 2540, 2576, 2800, 2875, 2921, 3175, 3220, 3500, 3556, 3680, 4000, 4025, 4064, 4445, 4600, 5080, 5152, 5600, 5750, 5842, 6350, 6440, 7000, 7112, 8050, 8890, 9200, 10160, 11500, 11684, 12700, 12880, 14000, 14224, 14605, 15875, 16100, 17780, 18400, 20125, 20320, 20447, 22225, 23000, 23368, 25400, 25760, 28000, 28448, 29210, 31750, 32200, 35560, 40250, 40894, 44450, 46000, 46736, 50800, 58420, 63500, 64400, 71120, 73025, 80500, 81788, 88900, 92000, 93472, 101600, 102235, 111125, 116840, 127000, 128800, 142240, 146050, 161000, 163576, 177800, 204470, 222250, 233680, 254000, 292100, 322000, 327152, 355600, 365125, 408940, 444500, 467360, 508000, 511175, 584200, 644000, 654304, 711200, 730250, 817880, 889000, 1022350, 1168400, 1460500, 1635760, 1778000, 2044700, 2336800, 2555875, 2921000, 3271520, 3556000, 4089400, 5111750, 5842000, 8178800, 10223500, 11684000, 16357600, 20447000, 40894000, 81788000]

約数ペア:

[(1, 81788000), (2, 40894000), (4, 20447000), (5, 16357600), (7, 11684000), (8, 10223500), (10, 8178800), (14, 5842000), (16, 5111750), (20, 4089400), (23, 3556000), (25, 3271520), (28, 2921000), (32, 2555875), (35, 2336800), (40, 2044700), (46, 1778000), (50, 1635760), (56, 1460500), (70, 1168400), (80, 1022350), (92, 889000), (100, 817880), (112, 730250), (115, 711200), (125, 654304), (127, 644000), (140, 584200), (160, 511175), (161, 508000), (175, 467360), (184, 444500), (200, 408940), (224, 365125), (230, 355600), (250, 327152), (254, 322000), (280, 292100), (322, 254000), (350, 233680), (368, 222250), (400, 204470), (460, 177800), (500, 163576), (508, 161000), (560, 146050), (575, 142240), (635, 128800), (644, 127000), (700, 116840), (736, 111125), (800, 102235), (805, 101600), (875, 93472), (889, 92000), (920, 88900), (1000, 81788), (1016, 80500), (1120, 73025), (1150, 71120), (1270, 64400), (1288, 63500), (1400, 58420), (1610, 50800), (1750, 46736), (1778, 46000), (1840, 44450), (2000, 40894), (2032, 40250), (2300, 35560), (2540, 32200), (2576, 31750), (2800, 29210), (2875, 28448), (2921, 28000), (3175, 25760), (3220, 25400), (3500, 23368), (3556, 23000), (3680, 22225), (4000, 20447), (4025, 20320), (4064, 20125), (4445, 18400), (4600, 17780), (5080, 16100), (5152, 15875), (5600, 14605), (5750, 14224), (5842, 14000), (6350, 12880), (6440, 12700), (7000, 11684), (7112, 11500), (8050, 10160), (8890, 9200)]