15765516

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 46957680

約数和(自身を除く): 31192164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 197, 228, 234, 247, 324, 342, 351, 394, 468, 494, 513, 591, 684, 702, 741, 788, 988, 1026, 1053, 1182, 1404, 1482, 1539, 1773, 2052, 2106, 2223, 2364, 2561, 2964, 3078, 3546, 3743, 4212, 4446, 5122, 5319, 6156, 6669, 7092, 7486, 7683, 8892, 10244, 10638, 11229, 13338, 14972, 15366, 15957, 20007, 21276, 22458, 23049, 26676, 30732, 31914, 33687, 40014, 44916, 46098, 48659, 63828, 67374, 69147, 80028, 92196, 97318, 101061, 134748, 138294, 145977, 194636, 202122, 207441, 276588, 291954, 303183, 404244, 414882, 437931, 583908, 606366, 829764, 875862, 1212732, 1313793, 1751724, 2627586, 3941379, 5255172, 7882758, 15765516]

約数ペア:

[(1, 15765516), (2, 7882758), (3, 5255172), (4, 3941379), (6, 2627586), (9, 1751724), (12, 1313793), (13, 1212732), (18, 875862), (19, 829764), (26, 606366), (27, 583908), (36, 437931), (38, 414882), (39, 404244), (52, 303183), (54, 291954), (57, 276588), (76, 207441), (78, 202122), (81, 194636), (108, 145977), (114, 138294), (117, 134748), (156, 101061), (162, 97318), (171, 92196), (197, 80028), (228, 69147), (234, 67374), (247, 63828), (324, 48659), (342, 46098), (351, 44916), (394, 40014), (468, 33687), (494, 31914), (513, 30732), (591, 26676), (684, 23049), (702, 22458), (741, 21276), (788, 20007), (988, 15957), (1026, 15366), (1053, 14972), (1182, 13338), (1404, 11229), (1482, 10638), (1539, 10244), (1773, 8892), (2052, 7683), (2106, 7486), (2223, 7092), (2364, 6669), (2561, 6156), (2964, 5319), (3078, 5122), (3546, 4446), (3743, 4212)]