81778788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 267563520

約数和(自身を除く): 185784732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 53, 54, 63, 78, 84, 91, 106, 108, 117, 126, 156, 157, 159, 182, 189, 212, 234, 252, 273, 314, 318, 351, 364, 371, 378, 468, 471, 477, 546, 628, 636, 689, 702, 742, 756, 819, 942, 954, 1092, 1099, 1113, 1378, 1404, 1413, 1431, 1484, 1638, 1884, 1908, 2041, 2067, 2198, 2226, 2457, 2756, 2826, 2862, 3276, 3297, 3339, 4082, 4134, 4239, 4396, 4452, 4823, 4914, 5652, 5724, 6123, 6201, 6594, 6678, 8164, 8268, 8321, 8478, 9646, 9828, 9891, 10017, 12246, 12402, 13188, 13356, 14287, 14469, 16642, 16956, 18369, 18603, 19292, 19782, 20034, 24492, 24804, 24963, 28574, 28938, 29673, 33284, 36738, 37206, 39564, 40068, 42861, 43407, 49926, 55107, 57148, 57876, 58247, 59346, 73476, 74412, 74889, 85722, 86814, 99852, 108173, 110214, 116494, 118692, 128583, 130221, 149778, 171444, 173628, 174741, 216346, 220428, 224667, 232988, 257166, 260442, 299556, 324519, 349482, 385749, 432692, 449334, 514332, 520884, 524223, 649038, 698964, 757211, 771498, 898668, 973557, 1048446, 1298076, 1514422, 1542996, 1572669, 1947114, 2096892, 2271633, 2920671, 3028844, 3145338, 3894228, 4543266, 5841342, 6290676, 6814899, 9086532, 11682684, 13629798, 20444697, 27259596, 40889394, 81778788]

約数ペア:

[(1, 81778788), (2, 40889394), (3, 27259596), (4, 20444697), (6, 13629798), (7, 11682684), (9, 9086532), (12, 6814899), (13, 6290676), (14, 5841342), (18, 4543266), (21, 3894228), (26, 3145338), (27, 3028844), (28, 2920671), (36, 2271633), (39, 2096892), (42, 1947114), (52, 1572669), (53, 1542996), (54, 1514422), (63, 1298076), (78, 1048446), (84, 973557), (91, 898668), (106, 771498), (108, 757211), (117, 698964), (126, 649038), (156, 524223), (157, 520884), (159, 514332), (182, 449334), (189, 432692), (212, 385749), (234, 349482), (252, 324519), (273, 299556), (314, 260442), (318, 257166), (351, 232988), (364, 224667), (371, 220428), (378, 216346), (468, 174741), (471, 173628), (477, 171444), (546, 149778), (628, 130221), (636, 128583), (689, 118692), (702, 116494), (742, 110214), (756, 108173), (819, 99852), (942, 86814), (954, 85722), (1092, 74889), (1099, 74412), (1113, 73476), (1378, 59346), (1404, 58247), (1413, 57876), (1431, 57148), (1484, 55107), (1638, 49926), (1884, 43407), (1908, 42861), (2041, 40068), (2067, 39564), (2198, 37206), (2226, 36738), (2457, 33284), (2756, 29673), (2826, 28938), (2862, 28574), (3276, 24963), (3297, 24804), (3339, 24492), (4082, 20034), (4134, 19782), (4239, 19292), (4396, 18603), (4452, 18369), (4823, 16956), (4914, 16642), (5652, 14469), (5724, 14287), (6123, 13356), (6201, 13188), (6594, 12402), (6678, 12246), (8164, 10017), (8268, 9891), (8321, 9828), (8478, 9646)]