81870516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 259202944

約数和(自身を除く): 177332428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 67, 78, 84, 91, 117, 126, 134, 156, 182, 201, 234, 252, 268, 273, 364, 373, 402, 468, 469, 546, 603, 746, 804, 819, 871, 938, 1092, 1119, 1206, 1407, 1492, 1638, 1742, 1876, 2238, 2412, 2611, 2613, 2814, 3276, 3357, 3484, 4221, 4476, 4849, 5222, 5226, 5628, 6097, 6714, 7833, 7839, 8442, 9698, 10444, 10452, 12194, 13428, 14547, 15666, 15678, 16884, 18291, 19396, 23499, 24388, 24991, 29094, 31332, 31356, 33943, 36582, 43641, 46998, 49982, 54873, 58188, 67886, 73164, 74973, 87282, 93996, 99964, 101829, 109746, 135772, 149946, 174564, 174937, 203658, 219492, 224919, 299892, 305487, 324883, 349874, 407316, 449838, 524811, 610974, 649766, 699748, 899676, 974649, 1049622, 1221948, 1299532, 1574433, 1949298, 2099244, 2274181, 2923947, 3148866, 3898596, 4548362, 5847894, 6297732, 6822543, 9096724, 11695788, 13645086, 20467629, 27290172, 40935258, 81870516]

約数ペア:

[(1, 81870516), (2, 40935258), (3, 27290172), (4, 20467629), (6, 13645086), (7, 11695788), (9, 9096724), (12, 6822543), (13, 6297732), (14, 5847894), (18, 4548362), (21, 3898596), (26, 3148866), (28, 2923947), (36, 2274181), (39, 2099244), (42, 1949298), (52, 1574433), (63, 1299532), (67, 1221948), (78, 1049622), (84, 974649), (91, 899676), (117, 699748), (126, 649766), (134, 610974), (156, 524811), (182, 449838), (201, 407316), (234, 349874), (252, 324883), (268, 305487), (273, 299892), (364, 224919), (373, 219492), (402, 203658), (468, 174937), (469, 174564), (546, 149946), (603, 135772), (746, 109746), (804, 101829), (819, 99964), (871, 93996), (938, 87282), (1092, 74973), (1119, 73164), (1206, 67886), (1407, 58188), (1492, 54873), (1638, 49982), (1742, 46998), (1876, 43641), (2238, 36582), (2412, 33943), (2611, 31356), (2613, 31332), (2814, 29094), (3276, 24991), (3357, 24388), (3484, 23499), (4221, 19396), (4476, 18291), (4849, 16884), (5222, 15678), (5226, 15666), (5628, 14547), (6097, 13428), (6714, 12194), (7833, 10452), (7839, 10444), (8442, 9698)]