20178845640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{76679}}^1$

素因数の和:76756

約数の個数: 192

約数和(自身を含む): 71054755200

約数和(自身を除く): 50875909560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 51, 60, 68, 72, 85, 86, 90, 102, 120, 129, 136, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 344, 360, 387, 408, 430, 510, 516, 612, 645, 680, 731, 765, 774, 860, 1020, 1032, 1224, 1290, 1462, 1530, 1548, 1720, 1935, 2040, 2193, 2580, 2924, 3060, 3096, 3655, 3870, 4386, 5160, 5848, 6120, 6579, 7310, 7740, 8772, 10965, 13158, 14620, 15480, 17544, 21930, 26316, 29240, 32895, 43860, 52632, 65790, 76679, 87720, 131580, 153358, 230037, 263160, 306716, 383395, 460074, 613432, 690111, 766790, 920148, 1150185, 1303543, 1380222, 1533580, 1840296, 2300370, 2607086, 2760444, 3067160, 3297197, 3450555, 3910629, 4600740, 5214172, 5520888, 6517715, 6594394, 6901110, 7821258, 9201480, 9891591, 10428344, 11731887, 13035430, 13188788, 13802220, 15642516, 16485985, 19553145, 19783182, 23463774, 26070860, 26377576, 27604440, 29674773, 31285032, 32971970, 39106290, 39566364, 46927548, 49457955, 52141720, 56052349, 58659435, 59349546, 65943940, 78212580, 79132728, 93855096, 98915910, 112104698, 117318870, 118699092, 131887880, 148373865, 156425160, 168157047, 197831820, 224209396, 234637740, 237398184, 280261745, 296747730, 336314094, 395663640, 448418792, 469275480, 504471141, 560523490, 593495460, 672628188, 840785235, 1008942282, 1121046980, 1186990920, 1345256376, 1681570470, 2017884564, 2242093960, 2522355705, 3363140940, 4035769128, 5044711410, 6726281880, 10089422820, 20178845640]

約数ペア:

[(1, 20178845640), (2, 10089422820), (3, 6726281880), (4, 5044711410), (5, 4035769128), (6, 3363140940), (8, 2522355705), (9, 2242093960), (10, 2017884564), (12, 1681570470), (15, 1345256376), (17, 1186990920), (18, 1121046980), (20, 1008942282), (24, 840785235), (30, 672628188), (34, 593495460), (36, 560523490), (40, 504471141), (43, 469275480), (45, 448418792), (51, 395663640), (60, 336314094), (68, 296747730), (72, 280261745), (85, 237398184), (86, 234637740), (90, 224209396), (102, 197831820), (120, 168157047), (129, 156425160), (136, 148373865), (153, 131887880), (170, 118699092), (172, 117318870), (180, 112104698), (204, 98915910), (215, 93855096), (255, 79132728), (258, 78212580), (306, 65943940), (340, 59349546), (344, 58659435), (360, 56052349), (387, 52141720), (408, 49457955), (430, 46927548), (510, 39566364), (516, 39106290), (612, 32971970), (645, 31285032), (680, 29674773), (731, 27604440), (765, 26377576), (774, 26070860), (860, 23463774), (1020, 19783182), (1032, 19553145), (1224, 16485985), (1290, 15642516), (1462, 13802220), (1530, 13188788), (1548, 13035430), (1720, 11731887), (1935, 10428344), (2040, 9891591), (2193, 9201480), (2580, 7821258), (2924, 6901110), (3060, 6594394), (3096, 6517715), (3655, 5520888), (3870, 5214172), (4386, 4600740), (5160, 3910629), (5848, 3450555), (6120, 3297197), (6579, 3067160), (7310, 2760444), (7740, 2607086), (8772, 2300370), (10965, 1840296), (13158, 1533580), (14620, 1380222), (15480, 1303543), (17544, 1150185), (21930, 920148), (26316, 766790), (29240, 690111), (32895, 613432), (43860, 460074), (52632, 383395), (65790, 306716), (76679, 263160), (87720, 230037), (131580, 153358)]