131178880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 376747200

約数和(自身を除く): 245568320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 64, 70, 80, 89, 94, 98, 112, 128, 140, 160, 178, 188, 196, 224, 235, 245, 280, 320, 329, 356, 376, 392, 445, 448, 470, 490, 560, 623, 640, 658, 712, 752, 784, 890, 896, 940, 980, 1120, 1246, 1316, 1424, 1504, 1568, 1645, 1780, 1880, 1960, 2240, 2303, 2492, 2632, 2848, 3008, 3115, 3136, 3290, 3560, 3760, 3920, 4183, 4361, 4480, 4606, 4984, 5264, 5696, 6016, 6230, 6272, 6580, 7120, 7520, 7840, 8366, 8722, 9212, 9968, 10528, 11392, 11515, 12460, 13160, 14240, 15040, 15680, 16732, 17444, 18424, 19936, 20915, 21056, 21805, 23030, 24920, 26320, 28480, 29281, 30080, 31360, 33464, 34888, 36848, 39872, 41830, 42112, 43610, 46060, 49840, 52640, 56960, 58562, 66928, 69776, 73696, 79744, 83660, 87220, 92120, 99680, 105280, 117124, 133856, 139552, 146405, 147392, 167320, 174440, 184240, 199360, 204967, 210560, 234248, 267712, 279104, 292810, 294784, 334640, 348880, 368480, 398720, 409934, 468496, 535424, 558208, 585620, 669280, 697760, 736960, 819868, 936992, 1024835, 1171240, 1338560, 1395520, 1473920, 1639736, 1873984, 2049670, 2342480, 2677120, 2791040, 3279472, 3747968, 4099340, 4684960, 6558944, 8198680, 9369920, 13117888, 16397360, 18739840, 26235776, 32794720, 65589440, 131178880]

約数ペア:

[(1, 131178880), (2, 65589440), (4, 32794720), (5, 26235776), (7, 18739840), (8, 16397360), (10, 13117888), (14, 9369920), (16, 8198680), (20, 6558944), (28, 4684960), (32, 4099340), (35, 3747968), (40, 3279472), (47, 2791040), (49, 2677120), (56, 2342480), (64, 2049670), (70, 1873984), (80, 1639736), (89, 1473920), (94, 1395520), (98, 1338560), (112, 1171240), (128, 1024835), (140, 936992), (160, 819868), (178, 736960), (188, 697760), (196, 669280), (224, 585620), (235, 558208), (245, 535424), (280, 468496), (320, 409934), (329, 398720), (356, 368480), (376, 348880), (392, 334640), (445, 294784), (448, 292810), (470, 279104), (490, 267712), (560, 234248), (623, 210560), (640, 204967), (658, 199360), (712, 184240), (752, 174440), (784, 167320), (890, 147392), (896, 146405), (940, 139552), (980, 133856), (1120, 117124), (1246, 105280), (1316, 99680), (1424, 92120), (1504, 87220), (1568, 83660), (1645, 79744), (1780, 73696), (1880, 69776), (1960, 66928), (2240, 58562), (2303, 56960), (2492, 52640), (2632, 49840), (2848, 46060), (3008, 43610), (3115, 42112), (3136, 41830), (3290, 39872), (3560, 36848), (3760, 34888), (3920, 33464), (4183, 31360), (4361, 30080), (4480, 29281), (4606, 28480), (4984, 26320), (5264, 24920), (5696, 23030), (6016, 21805), (6230, 21056), (6272, 20915), (6580, 19936), (7120, 18424), (7520, 17444), (7840, 16732), (8366, 15680), (8722, 15040), (9212, 14240), (9968, 13160), (10528, 12460), (11392, 11515)]