79621020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 262778880

約数和(自身を除く): 183157860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 751, 855, 930, 1116, 1140, 1178, 1395, 1502, 1710, 1767, 1860, 2253, 2356, 2790, 2945, 3004, 3420, 3534, 3755, 4506, 5301, 5580, 5890, 6759, 7068, 7510, 8835, 9012, 10602, 11265, 11780, 13518, 14269, 15020, 17670, 21204, 22530, 23281, 26505, 27036, 28538, 33795, 35340, 42807, 45060, 46562, 53010, 57076, 67590, 69843, 71345, 85614, 93124, 106020, 116405, 128421, 135180, 139686, 142690, 171228, 209529, 214035, 232810, 256842, 279372, 285380, 349215, 419058, 428070, 442339, 465620, 513684, 642105, 698430, 838116, 856140, 884678, 1047645, 1284210, 1327017, 1396860, 1769356, 2095290, 2211695, 2568420, 2654034, 3981051, 4190580, 4423390, 5308068, 6635085, 7962102, 8846780, 13270170, 15924204, 19905255, 26540340, 39810510, 79621020]

約数ペア:

[(1, 79621020), (2, 39810510), (3, 26540340), (4, 19905255), (5, 15924204), (6, 13270170), (9, 8846780), (10, 7962102), (12, 6635085), (15, 5308068), (18, 4423390), (19, 4190580), (20, 3981051), (30, 2654034), (31, 2568420), (36, 2211695), (38, 2095290), (45, 1769356), (57, 1396860), (60, 1327017), (62, 1284210), (76, 1047645), (90, 884678), (93, 856140), (95, 838116), (114, 698430), (124, 642105), (155, 513684), (171, 465620), (180, 442339), (186, 428070), (190, 419058), (228, 349215), (279, 285380), (285, 279372), (310, 256842), (342, 232810), (372, 214035), (380, 209529), (465, 171228), (558, 142690), (570, 139686), (589, 135180), (620, 128421), (684, 116405), (751, 106020), (855, 93124), (930, 85614), (1116, 71345), (1140, 69843), (1178, 67590), (1395, 57076), (1502, 53010), (1710, 46562), (1767, 45060), (1860, 42807), (2253, 35340), (2356, 33795), (2790, 28538), (2945, 27036), (3004, 26505), (3420, 23281), (3534, 22530), (3755, 21204), (4506, 17670), (5301, 15020), (5580, 14269), (5890, 13518), (6759, 11780), (7068, 11265), (7510, 10602), (8835, 9012)]