31980564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 102735360

約数和(自身を除く): 70754796

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 83, 84, 99, 126, 132, 139, 154, 166, 198, 231, 249, 252, 278, 308, 332, 396, 417, 462, 498, 556, 581, 693, 747, 834, 913, 924, 973, 996, 1162, 1251, 1386, 1494, 1529, 1668, 1743, 1826, 1946, 2324, 2502, 2739, 2772, 2919, 2988, 3058, 3486, 3652, 3892, 4587, 5004, 5229, 5478, 5838, 6116, 6391, 6972, 8217, 8757, 9174, 10458, 10703, 10956, 11537, 11676, 12782, 13761, 16434, 17514, 18348, 19173, 20916, 21406, 23074, 25564, 27522, 32109, 32868, 34611, 35028, 38346, 42812, 46148, 55044, 57519, 64218, 69222, 76692, 80759, 96327, 103833, 115038, 126907, 128436, 138444, 161518, 192654, 207666, 230076, 242277, 253814, 323036, 380721, 385308, 415332, 484554, 507628, 726831, 761442, 888349, 969108, 1142163, 1453662, 1522884, 1776698, 2284326, 2665047, 2907324, 3553396, 4568652, 5330094, 7995141, 10660188, 15990282, 31980564]

約数ペア:

[(1, 31980564), (2, 15990282), (3, 10660188), (4, 7995141), (6, 5330094), (7, 4568652), (9, 3553396), (11, 2907324), (12, 2665047), (14, 2284326), (18, 1776698), (21, 1522884), (22, 1453662), (28, 1142163), (33, 969108), (36, 888349), (42, 761442), (44, 726831), (63, 507628), (66, 484554), (77, 415332), (83, 385308), (84, 380721), (99, 323036), (126, 253814), (132, 242277), (139, 230076), (154, 207666), (166, 192654), (198, 161518), (231, 138444), (249, 128436), (252, 126907), (278, 115038), (308, 103833), (332, 96327), (396, 80759), (417, 76692), (462, 69222), (498, 64218), (556, 57519), (581, 55044), (693, 46148), (747, 42812), (834, 38346), (913, 35028), (924, 34611), (973, 32868), (996, 32109), (1162, 27522), (1251, 25564), (1386, 23074), (1494, 21406), (1529, 20916), (1668, 19173), (1743, 18348), (1826, 17514), (1946, 16434), (2324, 13761), (2502, 12782), (2739, 11676), (2772, 11537), (2919, 10956), (2988, 10703), (3058, 10458), (3486, 9174), (3652, 8757), (3892, 8217), (4587, 6972), (5004, 6391), (5229, 6116), (5478, 5838)]