77653760

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 204072960

約数和(自身を除く): 126419200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 103, 124, 128, 152, 155, 160, 190, 206, 248, 256, 304, 310, 320, 380, 412, 496, 515, 589, 608, 620, 640, 760, 824, 992, 1030, 1178, 1216, 1240, 1280, 1520, 1648, 1957, 1984, 2060, 2356, 2432, 2480, 2945, 3040, 3193, 3296, 3914, 3968, 4120, 4712, 4864, 4960, 5890, 6080, 6386, 6592, 7828, 7936, 8240, 9424, 9785, 9920, 11780, 12160, 12772, 13184, 15656, 15965, 16480, 18848, 19570, 19840, 23560, 24320, 25544, 26368, 31312, 31930, 32960, 37696, 39140, 39680, 47120, 51088, 60667, 62624, 63860, 65920, 75392, 78280, 94240, 102176, 121334, 125248, 127720, 131840, 150784, 156560, 188480, 204352, 242668, 250496, 255440, 303335, 313120, 376960, 408704, 485336, 500992, 510880, 606670, 626240, 753920, 817408, 970672, 1021760, 1213340, 1252480, 1941344, 2043520, 2426680, 2504960, 3882688, 4087040, 4853360, 7765376, 9706720, 15530752, 19413440, 38826880, 77653760]

約数ペア:

[(1, 77653760), (2, 38826880), (4, 19413440), (5, 15530752), (8, 9706720), (10, 7765376), (16, 4853360), (19, 4087040), (20, 3882688), (31, 2504960), (32, 2426680), (38, 2043520), (40, 1941344), (62, 1252480), (64, 1213340), (76, 1021760), (80, 970672), (95, 817408), (103, 753920), (124, 626240), (128, 606670), (152, 510880), (155, 500992), (160, 485336), (190, 408704), (206, 376960), (248, 313120), (256, 303335), (304, 255440), (310, 250496), (320, 242668), (380, 204352), (412, 188480), (496, 156560), (515, 150784), (589, 131840), (608, 127720), (620, 125248), (640, 121334), (760, 102176), (824, 94240), (992, 78280), (1030, 75392), (1178, 65920), (1216, 63860), (1240, 62624), (1280, 60667), (1520, 51088), (1648, 47120), (1957, 39680), (1984, 39140), (2060, 37696), (2356, 32960), (2432, 31930), (2480, 31312), (2945, 26368), (3040, 25544), (3193, 24320), (3296, 23560), (3914, 19840), (3968, 19570), (4120, 18848), (4712, 16480), (4864, 15965), (4960, 15656), (5890, 13184), (6080, 12772), (6386, 12160), (6592, 11780), (7828, 9920), (7936, 9785), (8240, 9424)]