1295840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 96

約数和(自身を含む): 3810240

約数和(自身を除く): 2514400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 89, 91, 104, 112, 130, 140, 160, 178, 182, 208, 224, 260, 280, 356, 364, 416, 445, 455, 520, 560, 623, 712, 728, 890, 910, 1040, 1120, 1157, 1246, 1424, 1456, 1780, 1820, 2080, 2314, 2492, 2848, 2912, 3115, 3560, 3640, 4628, 4984, 5785, 6230, 7120, 7280, 8099, 9256, 9968, 11570, 12460, 14240, 14560, 16198, 18512, 19936, 23140, 24920, 32396, 37024, 40495, 46280, 49840, 64792, 80990, 92560, 99680, 129584, 161980, 185120, 259168, 323960, 647920, 1295840]

約数ペア:

[(1, 1295840), (2, 647920), (4, 323960), (5, 259168), (7, 185120), (8, 161980), (10, 129584), (13, 99680), (14, 92560), (16, 80990), (20, 64792), (26, 49840), (28, 46280), (32, 40495), (35, 37024), (40, 32396), (52, 24920), (56, 23140), (65, 19936), (70, 18512), (80, 16198), (89, 14560), (91, 14240), (104, 12460), (112, 11570), (130, 9968), (140, 9256), (160, 8099), (178, 7280), (182, 7120), (208, 6230), (224, 5785), (260, 4984), (280, 4628), (356, 3640), (364, 3560), (416, 3115), (445, 2912), (455, 2848), (520, 2492), (560, 2314), (623, 2080), (712, 1820), (728, 1780), (890, 1456), (910, 1424), (1040, 1246), (1120, 1157)]