178730720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 523998720

約数和(自身を除く): 345268000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 160, 185, 190, 224, 227, 259, 266, 280, 296, 304, 370, 380, 454, 518, 532, 560, 592, 608, 665, 703, 740, 760, 908, 1036, 1064, 1120, 1135, 1184, 1295, 1330, 1406, 1480, 1520, 1589, 1816, 2072, 2128, 2270, 2590, 2660, 2812, 2960, 3040, 3178, 3515, 3632, 4144, 4256, 4313, 4540, 4921, 5180, 5320, 5624, 5920, 6356, 7030, 7264, 7945, 8288, 8399, 8626, 9080, 9842, 10360, 10640, 11248, 12712, 14060, 15890, 16798, 17252, 18160, 19684, 20720, 21280, 21565, 22496, 24605, 25424, 28120, 30191, 31780, 33596, 34504, 36320, 39368, 41440, 41995, 43130, 49210, 50848, 56240, 58793, 60382, 63560, 67192, 69008, 78736, 83990, 86260, 98420, 112480, 117586, 120764, 127120, 134384, 138016, 150955, 157472, 159581, 167980, 172520, 196840, 235172, 241528, 254240, 268768, 293965, 301910, 319162, 335960, 345040, 393680, 470344, 483056, 587930, 603820, 638324, 671920, 690080, 787360, 797905, 940688, 966112, 1117067, 1175860, 1207640, 1276648, 1343840, 1595810, 1881376, 2234134, 2351720, 2415280, 2553296, 3191620, 4468268, 4703440, 4830560, 5106592, 5585335, 6383240, 8936536, 9406880, 11170670, 12766480, 17873072, 22341340, 25532960, 35746144, 44682680, 89365360, 178730720]

約数ペア:

[(1, 178730720), (2, 89365360), (4, 44682680), (5, 35746144), (7, 25532960), (8, 22341340), (10, 17873072), (14, 12766480), (16, 11170670), (19, 9406880), (20, 8936536), (28, 6383240), (32, 5585335), (35, 5106592), (37, 4830560), (38, 4703440), (40, 4468268), (56, 3191620), (70, 2553296), (74, 2415280), (76, 2351720), (80, 2234134), (95, 1881376), (112, 1595810), (133, 1343840), (140, 1276648), (148, 1207640), (152, 1175860), (160, 1117067), (185, 966112), (190, 940688), (224, 797905), (227, 787360), (259, 690080), (266, 671920), (280, 638324), (296, 603820), (304, 587930), (370, 483056), (380, 470344), (454, 393680), (518, 345040), (532, 335960), (560, 319162), (592, 301910), (608, 293965), (665, 268768), (703, 254240), (740, 241528), (760, 235172), (908, 196840), (1036, 172520), (1064, 167980), (1120, 159581), (1135, 157472), (1184, 150955), (1295, 138016), (1330, 134384), (1406, 127120), (1480, 120764), (1520, 117586), (1589, 112480), (1816, 98420), (2072, 86260), (2128, 83990), (2270, 78736), (2590, 69008), (2660, 67192), (2812, 63560), (2960, 60382), (3040, 58793), (3178, 56240), (3515, 50848), (3632, 49210), (4144, 43130), (4256, 41995), (4313, 41440), (4540, 39368), (4921, 36320), (5180, 34504), (5320, 33596), (5624, 31780), (5920, 30191), (6356, 28120), (7030, 25424), (7264, 24605), (7945, 22496), (8288, 21565), (8399, 21280), (8626, 20720), (9080, 19684), (9842, 18160), (10360, 17252), (10640, 16798), (11248, 15890), (12712, 14060)]