128664120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1231}}^1$

素因数の和:1325

約数の個数: 128

約数和(自身を含む): 422231040

約数和(自身を除く): 293566920

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, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1231, 1340, 1560, 1608, 1742, 2010, 2462, 2613, 2680, 3484, 3693, 4020, 4355, 4924, 5226, 6155, 6968, 7386, 8040, 8710, 9848, 10452, 12310, 13065, 14772, 16003, 17420, 18465, 20904, 24620, 26130, 29544, 32006, 34840, 36930, 48009, 49240, 52260, 64012, 73860, 80015, 82477, 96018, 104520, 128024, 147720, 160030, 164954, 192036, 240045, 247431, 320060, 329908, 384072, 412385, 480090, 494862, 640120, 659816, 824770, 960180, 989724, 1072201, 1237155, 1649540, 1920360, 1979448, 2144402, 2474310, 3216603, 3299080, 4288804, 4948620, 5361005, 6433206, 8577608, 9897240, 10722010, 12866412, 16083015, 21444020, 25732824, 32166030, 42888040, 64332060, 128664120]

約数ペア:

[(1, 128664120), (2, 64332060), (3, 42888040), (4, 32166030), (5, 25732824), (6, 21444020), (8, 16083015), (10, 12866412), (12, 10722010), (13, 9897240), (15, 8577608), (20, 6433206), (24, 5361005), (26, 4948620), (30, 4288804), (39, 3299080), (40, 3216603), (52, 2474310), (60, 2144402), (65, 1979448), (67, 1920360), (78, 1649540), (104, 1237155), (120, 1072201), (130, 989724), (134, 960180), (156, 824770), (195, 659816), (201, 640120), (260, 494862), (268, 480090), (312, 412385), (335, 384072), (390, 329908), (402, 320060), (520, 247431), (536, 240045), (670, 192036), (780, 164954), (804, 160030), (871, 147720), (1005, 128024), (1231, 104520), (1340, 96018), (1560, 82477), (1608, 80015), (1742, 73860), (2010, 64012), (2462, 52260), (2613, 49240), (2680, 48009), (3484, 36930), (3693, 34840), (4020, 32006), (4355, 29544), (4924, 26130), (5226, 24620), (6155, 20904), (6968, 18465), (7386, 17420), (8040, 16003), (8710, 14772), (9848, 13065), (10452, 12310)]