820295712

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 144

約数和(自身を含む): 2428957440

約数和(自身を除く): 1608661728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 139, 144, 186, 248, 278, 279, 288, 372, 417, 496, 556, 558, 661, 744, 834, 992, 1112, 1116, 1251, 1322, 1488, 1668, 1983, 2224, 2232, 2502, 2644, 2976, 3336, 3966, 4309, 4448, 4464, 5004, 5288, 5949, 6672, 7932, 8618, 8928, 10008, 10576, 11898, 12927, 13344, 15864, 17236, 20016, 20491, 21152, 23796, 25854, 31728, 34472, 38781, 40032, 40982, 47592, 51708, 61473, 63456, 68944, 77562, 81964, 91879, 95184, 103416, 122946, 137888, 155124, 163928, 183758, 184419, 190368, 206832, 245892, 275637, 310248, 327856, 367516, 368838, 413664, 491784, 551274, 620496, 655712, 735032, 737676, 826911, 983568, 1102548, 1240992, 1470064, 1475352, 1653822, 1967136, 2205096, 2848249, 2940128, 2950704, 3307644, 4410192, 5696498, 5901408, 6615288, 8544747, 8820384, 11392996, 13230576, 17089494, 22785992, 25634241, 26461152, 34178988, 45571984, 51268482, 68357976, 91143968, 102536964, 136715952, 205073928, 273431904, 410147856, 820295712]

約数ペア:

[(1, 820295712), (2, 410147856), (3, 273431904), (4, 205073928), (6, 136715952), (8, 102536964), (9, 91143968), (12, 68357976), (16, 51268482), (18, 45571984), (24, 34178988), (31, 26461152), (32, 25634241), (36, 22785992), (48, 17089494), (62, 13230576), (72, 11392996), (93, 8820384), (96, 8544747), (124, 6615288), (139, 5901408), (144, 5696498), (186, 4410192), (248, 3307644), (278, 2950704), (279, 2940128), (288, 2848249), (372, 2205096), (417, 1967136), (496, 1653822), (556, 1475352), (558, 1470064), (661, 1240992), (744, 1102548), (834, 983568), (992, 826911), (1112, 737676), (1116, 735032), (1251, 655712), (1322, 620496), (1488, 551274), (1668, 491784), (1983, 413664), (2224, 368838), (2232, 367516), (2502, 327856), (2644, 310248), (2976, 275637), (3336, 245892), (3966, 206832), (4309, 190368), (4448, 184419), (4464, 183758), (5004, 163928), (5288, 155124), (5949, 137888), (6672, 122946), (7932, 103416), (8618, 95184), (8928, 91879), (10008, 81964), (10576, 77562), (11898, 68944), (12927, 63456), (13344, 61473), (15864, 51708), (17236, 47592), (20016, 40982), (20491, 40032), (21152, 38781), (23796, 34472), (25854, 31728)]