42721880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 102816000

約数和(自身を除く): 60094120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 380, 536, 670, 760, 839, 1273, 1340, 1678, 2546, 2680, 3356, 4195, 5092, 6365, 6712, 8390, 10184, 12730, 15941, 16780, 25460, 31882, 33560, 50920, 56213, 63764, 79705, 112426, 127528, 159410, 224852, 281065, 318820, 449704, 562130, 637640, 1068047, 1124260, 2136094, 2248520, 4272188, 5340235, 8544376, 10680470, 21360940, 42721880]

約数ペア:

[(1, 42721880), (2, 21360940), (4, 10680470), (5, 8544376), (8, 5340235), (10, 4272188), (19, 2248520), (20, 2136094), (38, 1124260), (40, 1068047), (67, 637640), (76, 562130), (95, 449704), (134, 318820), (152, 281065), (190, 224852), (268, 159410), (335, 127528), (380, 112426), (536, 79705), (670, 63764), (760, 56213), (839, 50920), (1273, 33560), (1340, 31882), (1678, 25460), (2546, 16780), (2680, 15941), (3356, 12730), (4195, 10184), (5092, 8390), (6365, 6712)]