16409640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 54149760

約数和(自身を除く): 37740120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 157, 195, 201, 260, 268, 312, 314, 335, 390, 402, 471, 520, 536, 628, 670, 780, 785, 804, 871, 942, 1005, 1256, 1340, 1560, 1570, 1608, 1742, 1884, 2010, 2041, 2355, 2613, 2680, 3140, 3484, 3768, 4020, 4082, 4355, 4710, 5226, 6123, 6280, 6968, 8040, 8164, 8710, 9420, 10205, 10452, 10519, 12246, 13065, 16328, 17420, 18840, 20410, 20904, 21038, 24492, 26130, 30615, 31557, 34840, 40820, 42076, 48984, 52260, 52595, 61230, 63114, 81640, 84152, 104520, 105190, 122460, 126228, 136747, 157785, 210380, 244920, 252456, 273494, 315570, 410241, 420760, 546988, 631140, 683735, 820482, 1093976, 1262280, 1367470, 1640964, 2051205, 2734940, 3281928, 4102410, 5469880, 8204820, 16409640]

約数ペア:

[(1, 16409640), (2, 8204820), (3, 5469880), (4, 4102410), (5, 3281928), (6, 2734940), (8, 2051205), (10, 1640964), (12, 1367470), (13, 1262280), (15, 1093976), (20, 820482), (24, 683735), (26, 631140), (30, 546988), (39, 420760), (40, 410241), (52, 315570), (60, 273494), (65, 252456), (67, 244920), (78, 210380), (104, 157785), (120, 136747), (130, 126228), (134, 122460), (156, 105190), (157, 104520), (195, 84152), (201, 81640), (260, 63114), (268, 61230), (312, 52595), (314, 52260), (335, 48984), (390, 42076), (402, 40820), (471, 34840), (520, 31557), (536, 30615), (628, 26130), (670, 24492), (780, 21038), (785, 20904), (804, 20410), (871, 18840), (942, 17420), (1005, 16328), (1256, 13065), (1340, 12246), (1560, 10519), (1570, 10452), (1608, 10205), (1742, 9420), (1884, 8710), (2010, 8164), (2041, 8040), (2355, 6968), (2613, 6280), (2680, 6123), (3140, 5226), (3484, 4710), (3768, 4355), (4020, 4082)]