31257360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 160

約数和(自身を含む): 111600000

約数和(自身を除く): 80342640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 499, 522, 540, 580, 696, 720, 783, 870, 998, 1044, 1080, 1160, 1305, 1392, 1497, 1566, 1740, 1996, 2088, 2160, 2320, 2495, 2610, 2994, 3132, 3480, 3915, 3992, 4176, 4491, 4990, 5220, 5988, 6264, 6960, 7485, 7830, 7984, 8982, 9980, 10440, 11976, 12528, 13473, 14471, 14970, 15660, 17964, 19960, 20880, 22455, 23952, 26946, 28942, 29940, 31320, 35928, 39920, 43413, 44910, 53892, 57884, 59880, 62640, 67365, 71856, 72355, 86826, 89820, 107784, 115768, 119760, 130239, 134730, 144710, 173652, 179640, 215568, 217065, 231536, 260478, 269460, 289420, 347304, 359280, 390717, 434130, 520956, 538920, 578840, 651195, 694608, 781434, 868260, 1041912, 1077840, 1157680, 1302390, 1562868, 1736520, 1953585, 2083824, 2604780, 3125736, 3473040, 3907170, 5209560, 6251472, 7814340, 10419120, 15628680, 31257360]

約数ペア:

[(1, 31257360), (2, 15628680), (3, 10419120), (4, 7814340), (5, 6251472), (6, 5209560), (8, 3907170), (9, 3473040), (10, 3125736), (12, 2604780), (15, 2083824), (16, 1953585), (18, 1736520), (20, 1562868), (24, 1302390), (27, 1157680), (29, 1077840), (30, 1041912), (36, 868260), (40, 781434), (45, 694608), (48, 651195), (54, 578840), (58, 538920), (60, 520956), (72, 434130), (80, 390717), (87, 359280), (90, 347304), (108, 289420), (116, 269460), (120, 260478), (135, 231536), (144, 217065), (145, 215568), (174, 179640), (180, 173652), (216, 144710), (232, 134730), (240, 130239), (261, 119760), (270, 115768), (290, 107784), (348, 89820), (360, 86826), (432, 72355), (435, 71856), (464, 67365), (499, 62640), (522, 59880), (540, 57884), (580, 53892), (696, 44910), (720, 43413), (783, 39920), (870, 35928), (998, 31320), (1044, 29940), (1080, 28942), (1160, 26946), (1305, 23952), (1392, 22455), (1497, 20880), (1566, 19960), (1740, 17964), (1996, 15660), (2088, 14970), (2160, 14471), (2320, 13473), (2495, 12528), (2610, 11976), (2994, 10440), (3132, 9980), (3480, 8982), (3915, 7984), (3992, 7830), (4176, 7485), (4491, 6960), (4990, 6264), (5220, 5988)]