30881640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 98703360

約数和(自身を除く): 67821720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 67, 69, 92, 115, 120, 134, 138, 167, 184, 201, 230, 268, 276, 334, 335, 345, 402, 460, 501, 536, 552, 668, 670, 690, 804, 835, 920, 1002, 1005, 1336, 1340, 1380, 1541, 1608, 1670, 2004, 2010, 2505, 2680, 2760, 3082, 3340, 3841, 4008, 4020, 4623, 5010, 6164, 6680, 7682, 7705, 8040, 9246, 10020, 11189, 11523, 12328, 15364, 15410, 18492, 19205, 20040, 22378, 23046, 23115, 30728, 30820, 33567, 36984, 38410, 44756, 46092, 46230, 55945, 57615, 61640, 67134, 76820, 89512, 92184, 92460, 111890, 115230, 134268, 153640, 167835, 184920, 223780, 230460, 257347, 268536, 335670, 447560, 460920, 514694, 671340, 772041, 1029388, 1286735, 1342680, 1544082, 2058776, 2573470, 3088164, 3860205, 5146940, 6176328, 7720410, 10293880, 15440820, 30881640]

約数ペア:

[(1, 30881640), (2, 15440820), (3, 10293880), (4, 7720410), (5, 6176328), (6, 5146940), (8, 3860205), (10, 3088164), (12, 2573470), (15, 2058776), (20, 1544082), (23, 1342680), (24, 1286735), (30, 1029388), (40, 772041), (46, 671340), (60, 514694), (67, 460920), (69, 447560), (92, 335670), (115, 268536), (120, 257347), (134, 230460), (138, 223780), (167, 184920), (184, 167835), (201, 153640), (230, 134268), (268, 115230), (276, 111890), (334, 92460), (335, 92184), (345, 89512), (402, 76820), (460, 67134), (501, 61640), (536, 57615), (552, 55945), (668, 46230), (670, 46092), (690, 44756), (804, 38410), (835, 36984), (920, 33567), (1002, 30820), (1005, 30728), (1336, 23115), (1340, 23046), (1380, 22378), (1541, 20040), (1608, 19205), (1670, 18492), (2004, 15410), (2010, 15364), (2505, 12328), (2680, 11523), (2760, 11189), (3082, 10020), (3340, 9246), (3841, 8040), (4008, 7705), (4020, 7682), (4623, 6680), (5010, 6164)]