264108040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 717861420

約数和(自身を除く): 453753380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 61, 70, 94, 98, 122, 140, 188, 196, 235, 244, 245, 280, 305, 329, 376, 392, 427, 470, 488, 490, 610, 658, 854, 940, 980, 1220, 1316, 1645, 1708, 1880, 1960, 2135, 2209, 2303, 2440, 2632, 2867, 2989, 3290, 3416, 4270, 4418, 4606, 5734, 5978, 6580, 8540, 8836, 9212, 11045, 11468, 11515, 11956, 13160, 14335, 14945, 15463, 17080, 17672, 18424, 20069, 22090, 22936, 23030, 23912, 28670, 29890, 30926, 40138, 44180, 46060, 57340, 59780, 61852, 77315, 80276, 88360, 92120, 100345, 108241, 114680, 119560, 123704, 134749, 140483, 154630, 160552, 200690, 216482, 269498, 280966, 309260, 401380, 432964, 538996, 541205, 561932, 618520, 673745, 702415, 802760, 865928, 943243, 1077992, 1082410, 1123864, 1347490, 1404830, 1886486, 2164820, 2694980, 2809660, 3772972, 4329640, 4716215, 5389960, 5619320, 6602701, 7545944, 9432430, 13205402, 18864860, 26410804, 33013505, 37729720, 52821608, 66027010, 132054020, 264108040]

約数ペア:

[(1, 264108040), (2, 132054020), (4, 66027010), (5, 52821608), (7, 37729720), (8, 33013505), (10, 26410804), (14, 18864860), (20, 13205402), (28, 9432430), (35, 7545944), (40, 6602701), (47, 5619320), (49, 5389960), (56, 4716215), (61, 4329640), (70, 3772972), (94, 2809660), (98, 2694980), (122, 2164820), (140, 1886486), (188, 1404830), (196, 1347490), (235, 1123864), (244, 1082410), (245, 1077992), (280, 943243), (305, 865928), (329, 802760), (376, 702415), (392, 673745), (427, 618520), (470, 561932), (488, 541205), (490, 538996), (610, 432964), (658, 401380), (854, 309260), (940, 280966), (980, 269498), (1220, 216482), (1316, 200690), (1645, 160552), (1708, 154630), (1880, 140483), (1960, 134749), (2135, 123704), (2209, 119560), (2303, 114680), (2440, 108241), (2632, 100345), (2867, 92120), (2989, 88360), (3290, 80276), (3416, 77315), (4270, 61852), (4418, 59780), (4606, 57340), (5734, 46060), (5978, 44180), (6580, 40138), (8540, 30926), (8836, 29890), (9212, 28670), (11045, 23912), (11468, 23030), (11515, 22936), (11956, 22090), (13160, 20069), (14335, 18424), (14945, 17672), (15463, 17080)]