20251440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2557}}^1$

素因数の和:2587

約数の個数: 120

約数和(自身を含む): 74222928

約数和(自身を除く): 53971488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2557, 2640, 3960, 5114, 7671, 7920, 10228, 12785, 15342, 20456, 23013, 25570, 28127, 30684, 38355, 40912, 46026, 51140, 56254, 61368, 76710, 84381, 92052, 102280, 112508, 115065, 122736, 140635, 153420, 168762, 184104, 204560, 225016, 230130, 253143, 281270, 306840, 337524, 368208, 421905, 450032, 460260, 506286, 562540, 613680, 675048, 843810, 920520, 1012572, 1125080, 1265715, 1350096, 1687620, 1841040, 2025144, 2250160, 2531430, 3375240, 4050288, 5062860, 6750480, 10125720, 20251440]

約数ペア:

[(1, 20251440), (2, 10125720), (3, 6750480), (4, 5062860), (5, 4050288), (6, 3375240), (8, 2531430), (9, 2250160), (10, 2025144), (11, 1841040), (12, 1687620), (15, 1350096), (16, 1265715), (18, 1125080), (20, 1012572), (22, 920520), (24, 843810), (30, 675048), (33, 613680), (36, 562540), (40, 506286), (44, 460260), (45, 450032), (48, 421905), (55, 368208), (60, 337524), (66, 306840), (72, 281270), (80, 253143), (88, 230130), (90, 225016), (99, 204560), (110, 184104), (120, 168762), (132, 153420), (144, 140635), (165, 122736), (176, 115065), (180, 112508), (198, 102280), (220, 92052), (240, 84381), (264, 76710), (330, 61368), (360, 56254), (396, 51140), (440, 46026), (495, 40912), (528, 38355), (660, 30684), (720, 28127), (792, 25570), (880, 23013), (990, 20456), (1320, 15342), (1584, 12785), (1980, 10228), (2557, 7920), (2640, 7671), (3960, 5114)]