155307520

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 408545280

約数和(自身を除く): 253237760

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, 512, 515, 589, 608, 620, 640, 760, 824, 992, 1030, 1178, 1216, 1240, 1280, 1520, 1648, 1957, 1984, 2060, 2356, 2432, 2480, 2560, 2945, 3040, 3193, 3296, 3914, 3968, 4120, 4712, 4864, 4960, 5890, 6080, 6386, 6592, 7828, 7936, 8240, 9424, 9728, 9785, 9920, 11780, 12160, 12772, 13184, 15656, 15872, 15965, 16480, 18848, 19570, 19840, 23560, 24320, 25544, 26368, 31312, 31930, 32960, 37696, 39140, 39680, 47120, 48640, 51088, 52736, 60667, 62624, 63860, 65920, 75392, 78280, 79360, 94240, 102176, 121334, 125248, 127720, 131840, 150784, 156560, 188480, 204352, 242668, 250496, 255440, 263680, 301568, 303335, 313120, 376960, 408704, 485336, 500992, 510880, 606670, 626240, 753920, 817408, 970672, 1001984, 1021760, 1213340, 1252480, 1507840, 1634816, 1941344, 2043520, 2426680, 2504960, 3882688, 4087040, 4853360, 5009920, 7765376, 8174080, 9706720, 15530752, 19413440, 31061504, 38826880, 77653760, 155307520]

約数ペア:

[(1, 155307520), (2, 77653760), (4, 38826880), (5, 31061504), (8, 19413440), (10, 15530752), (16, 9706720), (19, 8174080), (20, 7765376), (31, 5009920), (32, 4853360), (38, 4087040), (40, 3882688), (62, 2504960), (64, 2426680), (76, 2043520), (80, 1941344), (95, 1634816), (103, 1507840), (124, 1252480), (128, 1213340), (152, 1021760), (155, 1001984), (160, 970672), (190, 817408), (206, 753920), (248, 626240), (256, 606670), (304, 510880), (310, 500992), (320, 485336), (380, 408704), (412, 376960), (496, 313120), (512, 303335), (515, 301568), (589, 263680), (608, 255440), (620, 250496), (640, 242668), (760, 204352), (824, 188480), (992, 156560), (1030, 150784), (1178, 131840), (1216, 127720), (1240, 125248), (1280, 121334), (1520, 102176), (1648, 94240), (1957, 79360), (1984, 78280), (2060, 75392), (2356, 65920), (2432, 63860), (2480, 62624), (2560, 60667), (2945, 52736), (3040, 51088), (3193, 48640), (3296, 47120), (3914, 39680), (3968, 39140), (4120, 37696), (4712, 32960), (4864, 31930), (4960, 31312), (5890, 26368), (6080, 25544), (6386, 24320), (6592, 23560), (7828, 19840), (7936, 19570), (8240, 18848), (9424, 16480), (9728, 15965), (9785, 15872), (9920, 15656), (11780, 13184), (12160, 12772)]