23891940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 78624000

約数和(自身を除く): 54732060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 199, 207, 230, 261, 276, 290, 345, 348, 398, 414, 435, 460, 522, 580, 597, 667, 690, 796, 828, 870, 995, 1035, 1044, 1194, 1305, 1334, 1380, 1740, 1791, 1990, 2001, 2070, 2388, 2610, 2668, 2985, 3335, 3582, 3980, 4002, 4140, 4577, 5220, 5771, 5970, 6003, 6670, 7164, 8004, 8955, 9154, 10005, 11542, 11940, 12006, 13340, 13731, 17313, 17910, 18308, 20010, 22885, 23084, 24012, 27462, 28855, 30015, 34626, 35820, 40020, 41193, 45770, 51939, 54924, 57710, 60030, 68655, 69252, 82386, 86565, 91540, 103878, 115420, 120060, 132733, 137310, 164772, 173130, 205965, 207756, 259695, 265466, 274620, 346260, 398199, 411930, 519390, 530932, 663665, 796398, 823860, 1038780, 1194597, 1327330, 1592796, 1990995, 2389194, 2654660, 3981990, 4778388, 5972985, 7963980, 11945970, 23891940]

約数ペア:

[(1, 23891940), (2, 11945970), (3, 7963980), (4, 5972985), (5, 4778388), (6, 3981990), (9, 2654660), (10, 2389194), (12, 1990995), (15, 1592796), (18, 1327330), (20, 1194597), (23, 1038780), (29, 823860), (30, 796398), (36, 663665), (45, 530932), (46, 519390), (58, 411930), (60, 398199), (69, 346260), (87, 274620), (90, 265466), (92, 259695), (115, 207756), (116, 205965), (138, 173130), (145, 164772), (174, 137310), (180, 132733), (199, 120060), (207, 115420), (230, 103878), (261, 91540), (276, 86565), (290, 82386), (345, 69252), (348, 68655), (398, 60030), (414, 57710), (435, 54924), (460, 51939), (522, 45770), (580, 41193), (597, 40020), (667, 35820), (690, 34626), (796, 30015), (828, 28855), (870, 27462), (995, 24012), (1035, 23084), (1044, 22885), (1194, 20010), (1305, 18308), (1334, 17910), (1380, 17313), (1740, 13731), (1791, 13340), (1990, 12006), (2001, 11940), (2070, 11542), (2388, 10005), (2610, 9154), (2668, 8955), (2985, 8004), (3335, 7164), (3582, 6670), (3980, 6003), (4002, 5970), (4140, 5771), (4577, 5220)]