144686920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 390758400

約数和(自身を除く): 246071480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 211, 217, 248, 280, 310, 316, 395, 422, 434, 553, 620, 632, 790, 844, 868, 1055, 1085, 1106, 1240, 1477, 1580, 1688, 1736, 2110, 2170, 2212, 2449, 2765, 2954, 3160, 4220, 4340, 4424, 4898, 5530, 5908, 6541, 7385, 8440, 8680, 9796, 11060, 11816, 12245, 13082, 14770, 16669, 17143, 19592, 22120, 24490, 26164, 29540, 32705, 33338, 34286, 45787, 48980, 52328, 59080, 65410, 66676, 68572, 83345, 85715, 91574, 97960, 116683, 130820, 133352, 137144, 166690, 171430, 183148, 228935, 233366, 261640, 333380, 342860, 366296, 457870, 466732, 516739, 583415, 666760, 685720, 915740, 933464, 1033478, 1166830, 1831480, 2066956, 2333660, 2583695, 3617173, 4133912, 4667320, 5167390, 7234346, 10334780, 14468692, 18085865, 20669560, 28937384, 36171730, 72343460, 144686920]

約数ペア:

[(1, 144686920), (2, 72343460), (4, 36171730), (5, 28937384), (7, 20669560), (8, 18085865), (10, 14468692), (14, 10334780), (20, 7234346), (28, 5167390), (31, 4667320), (35, 4133912), (40, 3617173), (56, 2583695), (62, 2333660), (70, 2066956), (79, 1831480), (124, 1166830), (140, 1033478), (155, 933464), (158, 915740), (211, 685720), (217, 666760), (248, 583415), (280, 516739), (310, 466732), (316, 457870), (395, 366296), (422, 342860), (434, 333380), (553, 261640), (620, 233366), (632, 228935), (790, 183148), (844, 171430), (868, 166690), (1055, 137144), (1085, 133352), (1106, 130820), (1240, 116683), (1477, 97960), (1580, 91574), (1688, 85715), (1736, 83345), (2110, 68572), (2170, 66676), (2212, 65410), (2449, 59080), (2765, 52328), (2954, 48980), (3160, 45787), (4220, 34286), (4340, 33338), (4424, 32705), (4898, 29540), (5530, 26164), (5908, 24490), (6541, 22120), (7385, 19592), (8440, 17143), (8680, 16669), (9796, 14770), (11060, 13082), (11816, 12245)]