81657630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 241179120

約数和(自身を除く): 159521490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 53, 57, 85, 90, 95, 102, 106, 114, 153, 159, 170, 171, 190, 255, 265, 285, 306, 318, 323, 342, 477, 510, 530, 570, 646, 765, 795, 855, 901, 954, 969, 1007, 1530, 1590, 1615, 1710, 1802, 1938, 2014, 2385, 2703, 2809, 2907, 3021, 3230, 4505, 4770, 4845, 5035, 5406, 5618, 5814, 6042, 8109, 8427, 9010, 9063, 9690, 10070, 13515, 14045, 14535, 15105, 16218, 16854, 17119, 18126, 25281, 27030, 28090, 29070, 30210, 34238, 40545, 42135, 45315, 47753, 50562, 51357, 53371, 81090, 84270, 85595, 90630, 95506, 102714, 106742, 126405, 143259, 154071, 160113, 171190, 238765, 252810, 256785, 266855, 286518, 308142, 320226, 429777, 477530, 480339, 513570, 533710, 716295, 770355, 800565, 859554, 907307, 960678, 1432590, 1540710, 1601130, 1814614, 2148885, 2401695, 2721921, 4297770, 4536535, 4803390, 5443842, 8165763, 9073070, 13609605, 16331526, 27219210, 40828815, 81657630]

約数ペア:

[(1, 81657630), (2, 40828815), (3, 27219210), (5, 16331526), (6, 13609605), (9, 9073070), (10, 8165763), (15, 5443842), (17, 4803390), (18, 4536535), (19, 4297770), (30, 2721921), (34, 2401695), (38, 2148885), (45, 1814614), (51, 1601130), (53, 1540710), (57, 1432590), (85, 960678), (90, 907307), (95, 859554), (102, 800565), (106, 770355), (114, 716295), (153, 533710), (159, 513570), (170, 480339), (171, 477530), (190, 429777), (255, 320226), (265, 308142), (285, 286518), (306, 266855), (318, 256785), (323, 252810), (342, 238765), (477, 171190), (510, 160113), (530, 154071), (570, 143259), (646, 126405), (765, 106742), (795, 102714), (855, 95506), (901, 90630), (954, 85595), (969, 84270), (1007, 81090), (1530, 53371), (1590, 51357), (1615, 50562), (1710, 47753), (1802, 45315), (1938, 42135), (2014, 40545), (2385, 34238), (2703, 30210), (2809, 29070), (2907, 28090), (3021, 27030), (3230, 25281), (4505, 18126), (4770, 17119), (4845, 16854), (5035, 16218), (5406, 15105), (5618, 14535), (5814, 14045), (6042, 13515), (8109, 10070), (8427, 9690), (9010, 9063)]