215157960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 192

約数和(自身を含む): 744260400

約数和(自身を除く): 529102440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 37, 40, 45, 58, 60, 72, 74, 87, 90, 111, 116, 120, 145, 148, 174, 180, 185, 222, 232, 261, 290, 296, 333, 348, 360, 370, 435, 444, 522, 555, 557, 580, 666, 696, 740, 870, 888, 1044, 1073, 1110, 1114, 1160, 1305, 1332, 1480, 1665, 1671, 1740, 2088, 2146, 2220, 2228, 2610, 2664, 2785, 3219, 3330, 3342, 3480, 4292, 4440, 4456, 5013, 5220, 5365, 5570, 6438, 6660, 6684, 8355, 8584, 9657, 10026, 10440, 10730, 11140, 12876, 13320, 13368, 16095, 16153, 16710, 19314, 20052, 20609, 21460, 22280, 25065, 25752, 32190, 32306, 33420, 38628, 40104, 41218, 42920, 48285, 48459, 50130, 61827, 64380, 64612, 66840, 77256, 80765, 82436, 96570, 96918, 100260, 103045, 123654, 128760, 129224, 145377, 161530, 164872, 185481, 193140, 193836, 200520, 206090, 242295, 247308, 290754, 309135, 323060, 370962, 386280, 387672, 412180, 484590, 494616, 581508, 597661, 618270, 646120, 726885, 741924, 824360, 927405, 969180, 1163016, 1195322, 1236540, 1453770, 1483848, 1792983, 1854810, 1938360, 2390644, 2473080, 2907540, 2988305, 3585966, 3709620, 4781288, 5378949, 5815080, 5976610, 7171932, 7419240, 8964915, 10757898, 11953220, 14343864, 17929830, 21515796, 23906440, 26894745, 35859660, 43031592, 53789490, 71719320, 107578980, 215157960]

約数ペア:

[(1, 215157960), (2, 107578980), (3, 71719320), (4, 53789490), (5, 43031592), (6, 35859660), (8, 26894745), (9, 23906440), (10, 21515796), (12, 17929830), (15, 14343864), (18, 11953220), (20, 10757898), (24, 8964915), (29, 7419240), (30, 7171932), (36, 5976610), (37, 5815080), (40, 5378949), (45, 4781288), (58, 3709620), (60, 3585966), (72, 2988305), (74, 2907540), (87, 2473080), (90, 2390644), (111, 1938360), (116, 1854810), (120, 1792983), (145, 1483848), (148, 1453770), (174, 1236540), (180, 1195322), (185, 1163016), (222, 969180), (232, 927405), (261, 824360), (290, 741924), (296, 726885), (333, 646120), (348, 618270), (360, 597661), (370, 581508), (435, 494616), (444, 484590), (522, 412180), (555, 387672), (557, 386280), (580, 370962), (666, 323060), (696, 309135), (740, 290754), (870, 247308), (888, 242295), (1044, 206090), (1073, 200520), (1110, 193836), (1114, 193140), (1160, 185481), (1305, 164872), (1332, 161530), (1480, 145377), (1665, 129224), (1671, 128760), (1740, 123654), (2088, 103045), (2146, 100260), (2220, 96918), (2228, 96570), (2610, 82436), (2664, 80765), (2785, 77256), (3219, 66840), (3330, 64612), (3342, 64380), (3480, 61827), (4292, 50130), (4440, 48459), (4456, 48285), (5013, 42920), (5220, 41218), (5365, 40104), (5570, 38628), (6438, 33420), (6660, 32306), (6684, 32190), (8355, 25752), (8584, 25065), (9657, 22280), (10026, 21460), (10440, 20609), (10730, 20052), (11140, 19314), (12876, 16710), (13320, 16153), (13368, 16095)]