19889485920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{26209}}^1$

素因数の和:26278

約数の個数: 288

約数和(自身を含む): 74186461440

約数和(自身を除く): 54296975520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 32, 34, 36, 40, 45, 48, 51, 60, 62, 68, 72, 80, 85, 90, 93, 96, 102, 120, 124, 136, 144, 153, 155, 160, 170, 180, 186, 204, 240, 248, 255, 272, 279, 288, 306, 310, 340, 360, 372, 408, 465, 480, 496, 510, 527, 544, 558, 612, 620, 680, 720, 744, 765, 816, 930, 992, 1020, 1054, 1116, 1224, 1240, 1360, 1395, 1440, 1488, 1530, 1581, 1632, 1860, 2040, 2108, 2232, 2448, 2480, 2635, 2720, 2790, 2976, 3060, 3162, 3720, 4080, 4216, 4464, 4743, 4896, 4960, 5270, 5580, 6120, 6324, 7440, 7905, 8160, 8432, 8928, 9486, 10540, 11160, 12240, 12648, 14880, 15810, 16864, 18972, 21080, 22320, 23715, 24480, 25296, 26209, 31620, 37944, 42160, 44640, 47430, 50592, 52418, 63240, 75888, 78627, 84320, 94860, 104836, 126480, 131045, 151776, 157254, 189720, 209672, 235881, 252960, 262090, 314508, 379440, 393135, 419344, 445553, 471762, 524180, 629016, 758880, 786270, 812479, 838688, 891106, 943524, 1048360, 1179405, 1258032, 1336659, 1572540, 1624958, 1782212, 1887048, 2096720, 2227765, 2358810, 2437437, 2516064, 2673318, 3145080, 3249916, 3564424, 3774096, 4009977, 4062395, 4193440, 4455530, 4717620, 4874874, 5346636, 6290160, 6499832, 6683295, 7128848, 7312311, 7548192, 8019954, 8124790, 8911060, 9435240, 9749748, 10693272, 12187185, 12580320, 12999664, 13366590, 13812143, 14257696, 14624622, 16039908, 16249580, 17822120, 18870480, 19499496, 20049885, 21386544, 24374370, 25999328, 26733180, 27624286, 29249244, 32079816, 32499160, 35644240, 36561555, 37740960, 38998992, 40099770, 41436429, 42773088, 48748740, 53466360, 55248572, 58498488, 64159632, 64998320, 69060715, 71288480, 73123110, 77997984, 80199540, 82872858, 97497480, 106932720, 110497144, 116996976, 124309287, 128319264, 129996640, 138121430, 146246220, 160399080, 165745716, 194994960, 207182145, 213865440, 220994288, 233993952, 248618574, 276242860, 292492440, 320798160, 331491432, 389989920, 414364290, 441988576, 497237148, 552485720, 584984880, 621546435, 641596320, 662982864, 828728580, 994474296, 1104971440, 1169969760, 1243092870, 1325965728, 1657457160, 1988948592, 2209942880, 2486185740, 3314914320, 3977897184, 4972371480, 6629828640, 9944742960, 19889485920]

約数ペア:

[(1, 19889485920), (2, 9944742960), (3, 6629828640), (4, 4972371480), (5, 3977897184), (6, 3314914320), (8, 2486185740), (9, 2209942880), (10, 1988948592), (12, 1657457160), (15, 1325965728), (16, 1243092870), (17, 1169969760), (18, 1104971440), (20, 994474296), (24, 828728580), (30, 662982864), (31, 641596320), (32, 621546435), (34, 584984880), (36, 552485720), (40, 497237148), (45, 441988576), (48, 414364290), (51, 389989920), (60, 331491432), (62, 320798160), (68, 292492440), (72, 276242860), (80, 248618574), (85, 233993952), (90, 220994288), (93, 213865440), (96, 207182145), (102, 194994960), (120, 165745716), (124, 160399080), (136, 146246220), (144, 138121430), (153, 129996640), (155, 128319264), (160, 124309287), (170, 116996976), (180, 110497144), (186, 106932720), (204, 97497480), (240, 82872858), (248, 80199540), (255, 77997984), (272, 73123110), (279, 71288480), (288, 69060715), (306, 64998320), (310, 64159632), (340, 58498488), (360, 55248572), (372, 53466360), (408, 48748740), (465, 42773088), (480, 41436429), (496, 40099770), (510, 38998992), (527, 37740960), (544, 36561555), (558, 35644240), (612, 32499160), (620, 32079816), (680, 29249244), (720, 27624286), (744, 26733180), (765, 25999328), (816, 24374370), (930, 21386544), (992, 20049885), (1020, 19499496), (1054, 18870480), (1116, 17822120), (1224, 16249580), (1240, 16039908), (1360, 14624622), (1395, 14257696), (1440, 13812143), (1488, 13366590), (1530, 12999664), (1581, 12580320), (1632, 12187185), (1860, 10693272), (2040, 9749748), (2108, 9435240), (2232, 8911060), (2448, 8124790), (2480, 8019954), (2635, 7548192), (2720, 7312311), (2790, 7128848), (2976, 6683295), (3060, 6499832), (3162, 6290160), (3720, 5346636), (4080, 4874874), (4216, 4717620), (4464, 4455530), (4743, 4193440), (4896, 4062395), (4960, 4009977), (5270, 3774096), (5580, 3564424), (6120, 3249916), (6324, 3145080), (7440, 2673318), (7905, 2516064), (8160, 2437437), (8432, 2358810), (8928, 2227765), (9486, 2096720), (10540, 1887048), (11160, 1782212), (12240, 1624958), (12648, 1572540), (14880, 1336659), (15810, 1258032), (16864, 1179405), (18972, 1048360), (21080, 943524), (22320, 891106), (23715, 838688), (24480, 812479), (25296, 786270), (26209, 758880), (31620, 629016), (37944, 524180), (42160, 471762), (44640, 445553), (47430, 419344), (50592, 393135), (52418, 379440), (63240, 314508), (75888, 262090), (78627, 252960), (84320, 235881), (94860, 209672), (104836, 189720), (126480, 157254), (131045, 151776)]