23815980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 78702624

約数和(自身を除く): 54886644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 181, 204, 215, 255, 258, 306, 340, 362, 387, 430, 510, 516, 543, 612, 645, 724, 731, 765, 774, 860, 905, 1020, 1086, 1290, 1462, 1530, 1548, 1629, 1810, 1935, 2172, 2193, 2580, 2715, 2924, 3060, 3077, 3258, 3620, 3655, 3870, 4386, 5430, 6154, 6516, 6579, 7310, 7740, 7783, 8145, 8772, 9231, 10860, 10965, 12308, 13158, 14620, 15385, 15566, 16290, 18462, 21930, 23349, 26316, 27693, 30770, 31132, 32580, 32895, 36924, 38915, 43860, 46155, 46698, 55386, 61540, 65790, 70047, 77830, 92310, 93396, 110772, 116745, 131580, 132311, 138465, 140094, 155660, 184620, 233490, 264622, 276930, 280188, 350235, 396933, 466980, 529244, 553860, 661555, 700470, 793866, 1190799, 1323110, 1400940, 1587732, 1984665, 2381598, 2646220, 3969330, 4763196, 5953995, 7938660, 11907990, 23815980]

約数ペア:

[(1, 23815980), (2, 11907990), (3, 7938660), (4, 5953995), (5, 4763196), (6, 3969330), (9, 2646220), (10, 2381598), (12, 1984665), (15, 1587732), (17, 1400940), (18, 1323110), (20, 1190799), (30, 793866), (34, 700470), (36, 661555), (43, 553860), (45, 529244), (51, 466980), (60, 396933), (68, 350235), (85, 280188), (86, 276930), (90, 264622), (102, 233490), (129, 184620), (153, 155660), (170, 140094), (172, 138465), (180, 132311), (181, 131580), (204, 116745), (215, 110772), (255, 93396), (258, 92310), (306, 77830), (340, 70047), (362, 65790), (387, 61540), (430, 55386), (510, 46698), (516, 46155), (543, 43860), (612, 38915), (645, 36924), (724, 32895), (731, 32580), (765, 31132), (774, 30770), (860, 27693), (905, 26316), (1020, 23349), (1086, 21930), (1290, 18462), (1462, 16290), (1530, 15566), (1548, 15385), (1629, 14620), (1810, 13158), (1935, 12308), (2172, 10965), (2193, 10860), (2580, 9231), (2715, 8772), (2924, 8145), (3060, 7783), (3077, 7740), (3258, 7310), (3620, 6579), (3655, 6516), (3870, 6154), (4386, 5430)]