1247749680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305821}}^1$

素因数の和:305854

約数の個数: 80

約数和(自身を含む): 4095568224

約数和(自身を除く): 2847818544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 305821, 611642, 917463, 1223284, 1529105, 1834926, 2446568, 3058210, 3669852, 4587315, 4893136, 5198957, 6116420, 7339704, 9174630, 10397914, 12232840, 14679408, 15596871, 18349260, 20795828, 24465680, 25994785, 31193742, 36698520, 41591656, 51989570, 62387484, 73397040, 77984355, 83183312, 103979140, 124774968, 155968710, 207958280, 249549936, 311937420, 415916560, 623874840, 1247749680]

約数ペア:

[(1, 1247749680), (2, 623874840), (3, 415916560), (4, 311937420), (5, 249549936), (6, 207958280), (8, 155968710), (10, 124774968), (12, 103979140), (15, 83183312), (16, 77984355), (17, 73397040), (20, 62387484), (24, 51989570), (30, 41591656), (34, 36698520), (40, 31193742), (48, 25994785), (51, 24465680), (60, 20795828), (68, 18349260), (80, 15596871), (85, 14679408), (102, 12232840), (120, 10397914), (136, 9174630), (170, 7339704), (204, 6116420), (240, 5198957), (255, 4893136), (272, 4587315), (340, 3669852), (408, 3058210), (510, 2446568), (680, 1834926), (816, 1529105), (1020, 1223284), (1360, 917463), (2040, 611642), (4080, 305821)]