640426080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:478

約数の個数: 288

約数和(自身を含む): 2385228384

約数和(自身を除く): 1744802304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 73, 80, 84, 96, 98, 105, 112, 120, 140, 146, 147, 160, 168, 196, 210, 219, 224, 240, 245, 280, 292, 294, 336, 365, 373, 392, 420, 438, 480, 490, 511, 560, 584, 588, 672, 730, 735, 746, 784, 840, 876, 980, 1022, 1095, 1119, 1120, 1168, 1176, 1460, 1470, 1492, 1533, 1568, 1680, 1752, 1865, 1960, 2044, 2190, 2238, 2336, 2352, 2555, 2611, 2920, 2940, 2984, 3066, 3360, 3504, 3577, 3730, 3920, 4088, 4380, 4476, 4704, 5110, 5222, 5595, 5840, 5880, 5968, 6132, 7008, 7154, 7460, 7665, 7833, 7840, 8176, 8760, 8952, 10220, 10444, 10731, 11190, 11680, 11760, 11936, 12264, 13055, 14308, 14920, 15330, 15666, 16352, 17520, 17885, 17904, 18277, 20440, 20888, 21462, 22380, 23520, 24528, 26110, 27229, 28616, 29840, 30660, 31332, 35040, 35770, 35808, 36554, 39165, 40880, 41776, 42924, 44760, 49056, 52220, 53655, 54458, 54831, 57232, 59680, 61320, 62664, 71540, 73108, 78330, 81687, 81760, 83552, 85848, 89520, 91385, 104440, 107310, 108916, 109662, 114464, 122640, 125328, 136145, 143080, 146216, 156660, 163374, 171696, 179040, 182770, 190603, 208880, 214620, 217832, 219324, 245280, 250656, 272290, 274155, 286160, 292432, 313320, 326748, 343392, 365540, 381206, 408435, 417760, 429240, 435664, 438648, 544580, 548310, 571809, 572320, 584864, 626640, 653496, 731080, 762412, 816870, 858480, 871328, 877296, 953015, 1089160, 1096620, 1143618, 1253280, 1306992, 1334221, 1462160, 1524824, 1633740, 1716960, 1754592, 1906030, 2178320, 2193240, 2287236, 2613984, 2668442, 2859045, 2924320, 3049648, 3267480, 3812060, 4002663, 4356640, 4386480, 4574472, 5336884, 5718090, 6099296, 6534960, 6671105, 7624120, 8005326, 8772960, 9148944, 10673768, 11436180, 13069920, 13342210, 15248240, 16010652, 18297888, 20013315, 21347536, 22872360, 26684420, 30496480, 32021304, 40026630, 42695072, 45744720, 53368840, 64042608, 80053260, 91489440, 106737680, 128085216, 160106520, 213475360, 320213040, 640426080]

約数ペア:

[(1, 640426080), (2, 320213040), (3, 213475360), (4, 160106520), (5, 128085216), (6, 106737680), (7, 91489440), (8, 80053260), (10, 64042608), (12, 53368840), (14, 45744720), (15, 42695072), (16, 40026630), (20, 32021304), (21, 30496480), (24, 26684420), (28, 22872360), (30, 21347536), (32, 20013315), (35, 18297888), (40, 16010652), (42, 15248240), (48, 13342210), (49, 13069920), (56, 11436180), (60, 10673768), (70, 9148944), (73, 8772960), (80, 8005326), (84, 7624120), (96, 6671105), (98, 6534960), (105, 6099296), (112, 5718090), (120, 5336884), (140, 4574472), (146, 4386480), (147, 4356640), (160, 4002663), (168, 3812060), (196, 3267480), (210, 3049648), (219, 2924320), (224, 2859045), (240, 2668442), (245, 2613984), (280, 2287236), (292, 2193240), (294, 2178320), (336, 1906030), (365, 1754592), (373, 1716960), (392, 1633740), (420, 1524824), (438, 1462160), (480, 1334221), (490, 1306992), (511, 1253280), (560, 1143618), (584, 1096620), (588, 1089160), (672, 953015), (730, 877296), (735, 871328), (746, 858480), (784, 816870), (840, 762412), (876, 731080), (980, 653496), (1022, 626640), (1095, 584864), (1119, 572320), (1120, 571809), (1168, 548310), (1176, 544580), (1460, 438648), (1470, 435664), (1492, 429240), (1533, 417760), (1568, 408435), (1680, 381206), (1752, 365540), (1865, 343392), (1960, 326748), (2044, 313320), (2190, 292432), (2238, 286160), (2336, 274155), (2352, 272290), (2555, 250656), (2611, 245280), (2920, 219324), (2940, 217832), (2984, 214620), (3066, 208880), (3360, 190603), (3504, 182770), (3577, 179040), (3730, 171696), (3920, 163374), (4088, 156660), (4380, 146216), (4476, 143080), (4704, 136145), (5110, 125328), (5222, 122640), (5595, 114464), (5840, 109662), (5880, 108916), (5968, 107310), (6132, 104440), (7008, 91385), (7154, 89520), (7460, 85848), (7665, 83552), (7833, 81760), (7840, 81687), (8176, 78330), (8760, 73108), (8952, 71540), (10220, 62664), (10444, 61320), (10731, 59680), (11190, 57232), (11680, 54831), (11760, 54458), (11936, 53655), (12264, 52220), (13055, 49056), (14308, 44760), (14920, 42924), (15330, 41776), (15666, 40880), (16352, 39165), (17520, 36554), (17885, 35808), (17904, 35770), (18277, 35040), (20440, 31332), (20888, 30660), (21462, 29840), (22380, 28616), (23520, 27229), (24528, 26110)]