80638560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1981

約数の個数: 144

約数和(自身を含む): 284815440

約数和(自身を除く): 204176880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 1931, 2088, 2320, 2610, 2784, 3480, 3862, 4176, 4640, 5220, 5793, 6960, 7724, 8352, 9655, 10440, 11586, 13920, 15448, 17379, 19310, 20880, 23172, 28965, 30896, 34758, 38620, 41760, 46344, 55999, 57930, 61792, 69516, 77240, 86895, 92688, 111998, 115860, 139032, 154480, 167997, 173790, 185376, 223996, 231720, 278064, 279995, 308960, 335994, 347580, 447992, 463440, 503991, 556128, 559990, 671988, 695160, 839985, 895984, 926880, 1007982, 1119980, 1343976, 1390320, 1679970, 1791968, 2015964, 2239960, 2519955, 2687952, 2780640, 3359940, 4031928, 4479920, 5039910, 5375904, 6719880, 8063856, 8959840, 10079820, 13439760, 16127712, 20159640, 26879520, 40319280, 80638560]

約数ペア:

[(1, 80638560), (2, 40319280), (3, 26879520), (4, 20159640), (5, 16127712), (6, 13439760), (8, 10079820), (9, 8959840), (10, 8063856), (12, 6719880), (15, 5375904), (16, 5039910), (18, 4479920), (20, 4031928), (24, 3359940), (29, 2780640), (30, 2687952), (32, 2519955), (36, 2239960), (40, 2015964), (45, 1791968), (48, 1679970), (58, 1390320), (60, 1343976), (72, 1119980), (80, 1007982), (87, 926880), (90, 895984), (96, 839985), (116, 695160), (120, 671988), (144, 559990), (145, 556128), (160, 503991), (174, 463440), (180, 447992), (232, 347580), (240, 335994), (261, 308960), (288, 279995), (290, 278064), (348, 231720), (360, 223996), (435, 185376), (464, 173790), (480, 167997), (522, 154480), (580, 139032), (696, 115860), (720, 111998), (870, 92688), (928, 86895), (1044, 77240), (1160, 69516), (1305, 61792), (1392, 57930), (1440, 55999), (1740, 46344), (1931, 41760), (2088, 38620), (2320, 34758), (2610, 30896), (2784, 28965), (3480, 23172), (3862, 20880), (4176, 19310), (4640, 17379), (5220, 15448), (5793, 13920), (6960, 11586), (7724, 10440), (8352, 9655)]