87317880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 284497920

約数和(自身を除く): 197180040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 223, 251, 260, 312, 390, 446, 502, 520, 669, 753, 780, 892, 1004, 1115, 1255, 1338, 1506, 1560, 1784, 2008, 2230, 2510, 2676, 2899, 3012, 3263, 3345, 3765, 4460, 5020, 5352, 5798, 6024, 6526, 6690, 7530, 8697, 8920, 9789, 10040, 11596, 13052, 13380, 14495, 15060, 16315, 17394, 19578, 23192, 26104, 26760, 28990, 30120, 32630, 34788, 39156, 43485, 48945, 55973, 57980, 65260, 69576, 78312, 86970, 97890, 111946, 115960, 130520, 167919, 173940, 195780, 223892, 279865, 335838, 347880, 391560, 447784, 559730, 671676, 727649, 839595, 1119460, 1343352, 1455298, 1679190, 2182947, 2238920, 2910596, 3358380, 3638245, 4365894, 5821192, 6716760, 7276490, 8731788, 10914735, 14552980, 17463576, 21829470, 29105960, 43658940, 87317880]

約数ペア:

[(1, 87317880), (2, 43658940), (3, 29105960), (4, 21829470), (5, 17463576), (6, 14552980), (8, 10914735), (10, 8731788), (12, 7276490), (13, 6716760), (15, 5821192), (20, 4365894), (24, 3638245), (26, 3358380), (30, 2910596), (39, 2238920), (40, 2182947), (52, 1679190), (60, 1455298), (65, 1343352), (78, 1119460), (104, 839595), (120, 727649), (130, 671676), (156, 559730), (195, 447784), (223, 391560), (251, 347880), (260, 335838), (312, 279865), (390, 223892), (446, 195780), (502, 173940), (520, 167919), (669, 130520), (753, 115960), (780, 111946), (892, 97890), (1004, 86970), (1115, 78312), (1255, 69576), (1338, 65260), (1506, 57980), (1560, 55973), (1784, 48945), (2008, 43485), (2230, 39156), (2510, 34788), (2676, 32630), (2899, 30120), (3012, 28990), (3263, 26760), (3345, 26104), (3765, 23192), (4460, 19578), (5020, 17394), (5352, 16315), (5798, 15060), (6024, 14495), (6526, 13380), (6690, 13052), (7530, 11596), (8697, 10040), (8920, 9789)]