64671360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2626

約数の個数: 128

約数和(自身を含む): 222082560

約数和(自身を除く): 157411200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 2591, 3120, 4160, 4992, 5182, 6240, 7773, 8320, 10364, 12480, 12955, 15546, 20728, 24960, 25910, 31092, 33683, 38865, 41456, 51820, 62184, 67366, 77730, 82912, 101049, 103640, 124368, 134732, 155460, 165824, 168415, 202098, 207280, 248736, 269464, 310920, 331648, 336830, 404196, 414560, 497472, 505245, 538928, 621840, 673660, 808392, 829120, 994944, 1010490, 1077856, 1243680, 1347320, 1616784, 1658240, 2020980, 2155712, 2487360, 2694640, 3233568, 4041960, 4311424, 4974720, 5389280, 6467136, 8083920, 10778560, 12934272, 16167840, 21557120, 32335680, 64671360]

約数ペア:

[(1, 64671360), (2, 32335680), (3, 21557120), (4, 16167840), (5, 12934272), (6, 10778560), (8, 8083920), (10, 6467136), (12, 5389280), (13, 4974720), (15, 4311424), (16, 4041960), (20, 3233568), (24, 2694640), (26, 2487360), (30, 2155712), (32, 2020980), (39, 1658240), (40, 1616784), (48, 1347320), (52, 1243680), (60, 1077856), (64, 1010490), (65, 994944), (78, 829120), (80, 808392), (96, 673660), (104, 621840), (120, 538928), (128, 505245), (130, 497472), (156, 414560), (160, 404196), (192, 336830), (195, 331648), (208, 310920), (240, 269464), (260, 248736), (312, 207280), (320, 202098), (384, 168415), (390, 165824), (416, 155460), (480, 134732), (520, 124368), (624, 103640), (640, 101049), (780, 82912), (832, 77730), (960, 67366), (1040, 62184), (1248, 51820), (1560, 41456), (1664, 38865), (1920, 33683), (2080, 31092), (2496, 25910), (2591, 24960), (3120, 20728), (4160, 15546), (4992, 12955), (5182, 12480), (6240, 10364), (7773, 8320)]