15073840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 37854720

約数和(自身を除く): 22780880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 211, 235, 304, 376, 380, 422, 470, 752, 760, 844, 893, 940, 1055, 1520, 1688, 1786, 1880, 2110, 3376, 3572, 3760, 4009, 4220, 4465, 7144, 8018, 8440, 8930, 9917, 14288, 16036, 16880, 17860, 19834, 20045, 32072, 35720, 39668, 40090, 49585, 64144, 71440, 79336, 80180, 99170, 158672, 160360, 188423, 198340, 320720, 376846, 396680, 753692, 793360, 942115, 1507384, 1884230, 3014768, 3768460, 7536920, 15073840]

約数ペア:

[(1, 15073840), (2, 7536920), (4, 3768460), (5, 3014768), (8, 1884230), (10, 1507384), (16, 942115), (19, 793360), (20, 753692), (38, 396680), (40, 376846), (47, 320720), (76, 198340), (80, 188423), (94, 160360), (95, 158672), (152, 99170), (188, 80180), (190, 79336), (211, 71440), (235, 64144), (304, 49585), (376, 40090), (380, 39668), (422, 35720), (470, 32072), (752, 20045), (760, 19834), (844, 17860), (893, 16880), (940, 16036), (1055, 14288), (1520, 9917), (1688, 8930), (1786, 8440), (1880, 8018), (2110, 7144), (3376, 4465), (3572, 4220), (3760, 4009)]