217521720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15493}}^1$

素因数の和:15526

約数の個数: 128

約数和(自身を含む): 780897600

約数和(自身を除く): 563375880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 15493, 30986, 46479, 61972, 77465, 92958, 123944, 139437, 154930, 185916, 201409, 232395, 278874, 309860, 371832, 402818, 418311, 464790, 557748, 604227, 619720, 697185, 805636, 836622, 929580, 1007045, 1115496, 1208454, 1394370, 1611272, 1673244, 1812681, 1859160, 2014090, 2091555, 2416908, 2788740, 3021135, 3346488, 3625362, 4028180, 4183110, 4833816, 5438043, 5577480, 6042270, 7250724, 8056360, 8366220, 9063405, 10876086, 12084540, 14501448, 16732440, 18126810, 21752172, 24169080, 27190215, 36253620, 43504344, 54380430, 72507240, 108760860, 217521720]

約数ペア:

[(1, 217521720), (2, 108760860), (3, 72507240), (4, 54380430), (5, 43504344), (6, 36253620), (8, 27190215), (9, 24169080), (10, 21752172), (12, 18126810), (13, 16732440), (15, 14501448), (18, 12084540), (20, 10876086), (24, 9063405), (26, 8366220), (27, 8056360), (30, 7250724), (36, 6042270), (39, 5577480), (40, 5438043), (45, 4833816), (52, 4183110), (54, 4028180), (60, 3625362), (65, 3346488), (72, 3021135), (78, 2788740), (90, 2416908), (104, 2091555), (108, 2014090), (117, 1859160), (120, 1812681), (130, 1673244), (135, 1611272), (156, 1394370), (180, 1208454), (195, 1115496), (216, 1007045), (234, 929580), (260, 836622), (270, 805636), (312, 697185), (351, 619720), (360, 604227), (390, 557748), (468, 464790), (520, 418311), (540, 402818), (585, 371832), (702, 309860), (780, 278874), (936, 232395), (1080, 201409), (1170, 185916), (1404, 154930), (1560, 139437), (1755, 123944), (2340, 92958), (2808, 77465), (3510, 61972), (4680, 46479), (7020, 30986), (14040, 15493)]