80786400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 269701488

約数和(自身を除く): 188915088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 75, 80, 82, 96, 100, 120, 123, 150, 160, 164, 200, 205, 240, 246, 300, 328, 400, 410, 480, 492, 600, 615, 656, 800, 820, 821, 984, 1025, 1200, 1230, 1312, 1640, 1642, 1968, 2050, 2400, 2460, 2463, 3075, 3280, 3284, 3936, 4100, 4105, 4920, 4926, 6150, 6560, 6568, 8200, 8210, 9840, 9852, 12300, 12315, 13136, 16400, 16420, 19680, 19704, 20525, 24600, 24630, 26272, 32800, 32840, 33661, 39408, 41050, 49200, 49260, 61575, 65680, 67322, 78816, 82100, 98400, 98520, 100983, 123150, 131360, 134644, 164200, 168305, 197040, 201966, 246300, 269288, 328400, 336610, 394080, 403932, 492600, 504915, 538576, 656800, 673220, 807864, 841525, 985200, 1009830, 1077152, 1346440, 1615728, 1683050, 1970400, 2019660, 2524575, 2692880, 3231456, 3366100, 4039320, 5049150, 5385760, 6732200, 8078640, 10098300, 13464400, 16157280, 20196600, 26928800, 40393200, 80786400]

約数ペア:

[(1, 80786400), (2, 40393200), (3, 26928800), (4, 20196600), (5, 16157280), (6, 13464400), (8, 10098300), (10, 8078640), (12, 6732200), (15, 5385760), (16, 5049150), (20, 4039320), (24, 3366100), (25, 3231456), (30, 2692880), (32, 2524575), (40, 2019660), (41, 1970400), (48, 1683050), (50, 1615728), (60, 1346440), (75, 1077152), (80, 1009830), (82, 985200), (96, 841525), (100, 807864), (120, 673220), (123, 656800), (150, 538576), (160, 504915), (164, 492600), (200, 403932), (205, 394080), (240, 336610), (246, 328400), (300, 269288), (328, 246300), (400, 201966), (410, 197040), (480, 168305), (492, 164200), (600, 134644), (615, 131360), (656, 123150), (800, 100983), (820, 98520), (821, 98400), (984, 82100), (1025, 78816), (1200, 67322), (1230, 65680), (1312, 61575), (1640, 49260), (1642, 49200), (1968, 41050), (2050, 39408), (2400, 33661), (2460, 32840), (2463, 32800), (3075, 26272), (3280, 24630), (3284, 24600), (3936, 20525), (4100, 19704), (4105, 19680), (4920, 16420), (4926, 16400), (6150, 13136), (6560, 12315), (6568, 12300), (8200, 9852), (8210, 9840)]