80818472880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{405227}}^1$

素因数の和:405523

約数の個数: 120

約数和(自身を含む): 272395882512

約数和(自身を除く): 191577409632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 277, 360, 554, 720, 831, 1108, 1385, 1662, 2216, 2493, 2770, 3324, 4155, 4432, 4986, 5540, 6648, 8310, 9972, 11080, 12465, 13296, 16620, 19944, 22160, 24930, 33240, 39888, 49860, 66480, 99720, 199440, 405227, 810454, 1215681, 1620908, 2026135, 2431362, 3241816, 3647043, 4052270, 4862724, 6078405, 6483632, 7294086, 8104540, 9725448, 12156810, 14588172, 16209080, 18235215, 19450896, 24313620, 29176344, 32418160, 36470430, 48627240, 58352688, 72940860, 97254480, 112247879, 145881720, 224495758, 291763440, 336743637, 448991516, 561239395, 673487274, 897983032, 1010230911, 1122478790, 1346974548, 1683718185, 1795966064, 2020461822, 2244957580, 2693949096, 3367436370, 4040923644, 4489915160, 5051154555, 5387898192, 6734872740, 8081847288, 8979830320, 10102309110, 13469745480, 16163694576, 20204618220, 26939490960, 40409236440, 80818472880]

約数ペア:

[(1, 80818472880), (2, 40409236440), (3, 26939490960), (4, 20204618220), (5, 16163694576), (6, 13469745480), (8, 10102309110), (9, 8979830320), (10, 8081847288), (12, 6734872740), (15, 5387898192), (16, 5051154555), (18, 4489915160), (20, 4040923644), (24, 3367436370), (30, 2693949096), (36, 2244957580), (40, 2020461822), (45, 1795966064), (48, 1683718185), (60, 1346974548), (72, 1122478790), (80, 1010230911), (90, 897983032), (120, 673487274), (144, 561239395), (180, 448991516), (240, 336743637), (277, 291763440), (360, 224495758), (554, 145881720), (720, 112247879), (831, 97254480), (1108, 72940860), (1385, 58352688), (1662, 48627240), (2216, 36470430), (2493, 32418160), (2770, 29176344), (3324, 24313620), (4155, 19450896), (4432, 18235215), (4986, 16209080), (5540, 14588172), (6648, 12156810), (8310, 9725448), (9972, 8104540), (11080, 7294086), (12465, 6483632), (13296, 6078405), (16620, 4862724), (19944, 4052270), (22160, 3647043), (24930, 3241816), (33240, 2431362), (39888, 2026135), (49860, 1620908), (66480, 1215681), (99720, 810454), (199440, 405227)]