20439665280

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19391}}^1$

素因数の和:19480

約数の個数: 256

約数和(自身を含む): 73581004800

約数和(自身を除く): 53141339520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 64, 72, 80, 90, 96, 108, 120, 122, 128, 135, 144, 160, 180, 183, 192, 216, 240, 244, 270, 288, 305, 320, 360, 366, 384, 432, 480, 488, 540, 549, 576, 610, 640, 720, 732, 864, 915, 960, 976, 1080, 1098, 1152, 1220, 1440, 1464, 1647, 1728, 1830, 1920, 1952, 2160, 2196, 2440, 2745, 2880, 2928, 3294, 3456, 3660, 3904, 4320, 4392, 4880, 5490, 5760, 5856, 6588, 7320, 7808, 8235, 8640, 8784, 9760, 10980, 11712, 13176, 14640, 16470, 17280, 17568, 19391, 19520, 21960, 23424, 26352, 29280, 32940, 35136, 38782, 39040, 43920, 52704, 58173, 58560, 65880, 70272, 77564, 87840, 96955, 105408, 116346, 117120, 131760, 155128, 174519, 175680, 193910, 210816, 232692, 263520, 290865, 310256, 349038, 351360, 387820, 465384, 523557, 527040, 581730, 620512, 698076, 775640, 872595, 930768, 1047114, 1054080, 1163460, 1182851, 1241024, 1396152, 1551280, 1745190, 1861536, 2094228, 2326920, 2365702, 2482048, 2617785, 2792304, 3102560, 3490380, 3548553, 3723072, 4188456, 4653840, 4731404, 5235570, 5584608, 5914255, 6205120, 6980760, 7097106, 7446144, 8376912, 9307680, 9462808, 10471140, 10645659, 11169216, 11828510, 12410240, 13961520, 14194212, 16753824, 17742765, 18615360, 18925616, 20942280, 21291318, 22338432, 23657020, 27923040, 28388424, 31936977, 33507648, 35485530, 37230720, 37851232, 41884560, 42582636, 47314040, 53228295, 55846080, 56776848, 63873954, 67015296, 70971060, 75702464, 83769120, 85165272, 94628080, 106456590, 111692160, 113553696, 127747908, 141942120, 151404928, 159684885, 167538240, 170330544, 189256160, 212913180, 227107392, 255495816, 283884240, 319369770, 335076480, 340661088, 378512320, 425826360, 454214784, 510991632, 567768480, 638739540, 681322176, 757024640, 851652720, 1021983264, 1135536960, 1277479080, 1362644352, 1703305440, 2043966528, 2271073920, 2554958160, 3406610880, 4087933056, 5109916320, 6813221760, 10219832640, 20439665280]

約数ペア:

[(1, 20439665280), (2, 10219832640), (3, 6813221760), (4, 5109916320), (5, 4087933056), (6, 3406610880), (8, 2554958160), (9, 2271073920), (10, 2043966528), (12, 1703305440), (15, 1362644352), (16, 1277479080), (18, 1135536960), (20, 1021983264), (24, 851652720), (27, 757024640), (30, 681322176), (32, 638739540), (36, 567768480), (40, 510991632), (45, 454214784), (48, 425826360), (54, 378512320), (60, 340661088), (61, 335076480), (64, 319369770), (72, 283884240), (80, 255495816), (90, 227107392), (96, 212913180), (108, 189256160), (120, 170330544), (122, 167538240), (128, 159684885), (135, 151404928), (144, 141942120), (160, 127747908), (180, 113553696), (183, 111692160), (192, 106456590), (216, 94628080), (240, 85165272), (244, 83769120), (270, 75702464), (288, 70971060), (305, 67015296), (320, 63873954), (360, 56776848), (366, 55846080), (384, 53228295), (432, 47314040), (480, 42582636), (488, 41884560), (540, 37851232), (549, 37230720), (576, 35485530), (610, 33507648), (640, 31936977), (720, 28388424), (732, 27923040), (864, 23657020), (915, 22338432), (960, 21291318), (976, 20942280), (1080, 18925616), (1098, 18615360), (1152, 17742765), (1220, 16753824), (1440, 14194212), (1464, 13961520), (1647, 12410240), (1728, 11828510), (1830, 11169216), (1920, 10645659), (1952, 10471140), (2160, 9462808), (2196, 9307680), (2440, 8376912), (2745, 7446144), (2880, 7097106), (2928, 6980760), (3294, 6205120), (3456, 5914255), (3660, 5584608), (3904, 5235570), (4320, 4731404), (4392, 4653840), (4880, 4188456), (5490, 3723072), (5760, 3548553), (5856, 3490380), (6588, 3102560), (7320, 2792304), (7808, 2617785), (8235, 2482048), (8640, 2365702), (8784, 2326920), (9760, 2094228), (10980, 1861536), (11712, 1745190), (13176, 1551280), (14640, 1396152), (16470, 1241024), (17280, 1182851), (17568, 1163460), (19391, 1054080), (19520, 1047114), (21960, 930768), (23424, 872595), (26352, 775640), (29280, 698076), (32940, 620512), (35136, 581730), (38782, 527040), (39040, 523557), (43920, 465384), (52704, 387820), (58173, 351360), (58560, 349038), (65880, 310256), (70272, 290865), (77564, 263520), (87840, 232692), (96955, 210816), (105408, 193910), (116346, 175680), (117120, 174519), (131760, 155128)]