187171920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20029

約数の個数: 120

約数和(自身を含む): 676972296

約数和(自身を除く): 489800376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 19997, 39994, 59991, 79988, 99985, 119982, 159976, 179973, 199970, 239964, 259961, 299955, 319952, 359946, 399940, 479928, 519922, 599910, 719892, 779883, 799880, 899865, 959856, 1039844, 1199820, 1299805, 1439784, 1559766, 1599760, 1799730, 2079688, 2339649, 2399640, 2599610, 2879568, 3119532, 3599460, 3899415, 4159376, 4679298, 4799280, 5199220, 6239064, 7198920, 7798830, 9358596, 10398440, 11698245, 12478128, 14397840, 15597660, 18717192, 20796880, 23396490, 31195320, 37434384, 46792980, 62390640, 93585960, 187171920]

約数ペア:

[(1, 187171920), (2, 93585960), (3, 62390640), (4, 46792980), (5, 37434384), (6, 31195320), (8, 23396490), (9, 20796880), (10, 18717192), (12, 15597660), (13, 14397840), (15, 12478128), (16, 11698245), (18, 10398440), (20, 9358596), (24, 7798830), (26, 7198920), (30, 6239064), (36, 5199220), (39, 4799280), (40, 4679298), (45, 4159376), (48, 3899415), (52, 3599460), (60, 3119532), (65, 2879568), (72, 2599610), (78, 2399640), (80, 2339649), (90, 2079688), (104, 1799730), (117, 1599760), (120, 1559766), (130, 1439784), (144, 1299805), (156, 1199820), (180, 1039844), (195, 959856), (208, 899865), (234, 799880), (240, 779883), (260, 719892), (312, 599910), (360, 519922), (390, 479928), (468, 399940), (520, 359946), (585, 319952), (624, 299955), (720, 259961), (780, 239964), (936, 199970), (1040, 179973), (1170, 159976), (1560, 119982), (1872, 99985), (2340, 79988), (3120, 59991), (4680, 39994), (9360, 19997)]