821894320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 2235071232

約数和(自身を除く): 1413176912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 53, 62, 65, 74, 80, 104, 106, 124, 130, 148, 155, 169, 185, 208, 212, 248, 260, 265, 296, 310, 338, 370, 403, 424, 481, 496, 520, 530, 592, 620, 676, 689, 740, 806, 845, 848, 962, 1040, 1060, 1147, 1240, 1352, 1378, 1480, 1612, 1643, 1690, 1924, 1961, 2015, 2120, 2294, 2405, 2480, 2704, 2756, 2960, 3224, 3286, 3380, 3445, 3848, 3922, 4030, 4240, 4588, 4810, 5239, 5512, 5735, 6253, 6448, 6572, 6760, 6890, 7696, 7844, 8060, 8215, 8957, 9176, 9620, 9805, 10478, 11024, 11470, 12506, 13144, 13520, 13780, 14911, 15688, 16120, 16430, 17914, 18352, 19240, 19610, 20956, 21359, 22940, 25012, 25493, 26195, 26288, 27560, 29822, 31265, 31376, 32240, 32860, 35828, 38480, 39220, 41912, 42718, 44785, 45880, 50024, 50986, 52390, 55120, 59644, 60791, 62530, 65720, 71656, 74555, 78440, 83824, 85436, 89570, 91760, 100048, 101972, 104780, 106795, 119288, 121582, 125060, 127465, 131440, 143312, 149110, 156880, 170872, 179140, 193843, 203944, 209560, 213590, 238576, 243164, 250120, 254930, 277667, 298220, 303955, 331409, 341744, 358280, 387686, 407888, 419120, 427180, 486328, 500240, 509860, 555334, 596440, 607910, 662818, 716560, 775372, 790283, 854360, 969215, 972656, 1019720, 1110668, 1192880, 1215820, 1325636, 1388335, 1550744, 1580566, 1657045, 1708720, 1938430, 2039440, 2221336, 2431640, 2651272, 2776670, 3101488, 3161132, 3314090, 3876860, 3951415, 4442672, 4863280, 5302544, 5553340, 6322264, 6628180, 7753720, 7902830, 10273679, 11106680, 12644528, 13256360, 15507440, 15805660, 20547358, 22213360, 26512720, 31611320, 41094716, 51368395, 63222640, 82189432, 102736790, 164378864, 205473580, 410947160, 821894320]

約数ペア:

[(1, 821894320), (2, 410947160), (4, 205473580), (5, 164378864), (8, 102736790), (10, 82189432), (13, 63222640), (16, 51368395), (20, 41094716), (26, 31611320), (31, 26512720), (37, 22213360), (40, 20547358), (52, 15805660), (53, 15507440), (62, 13256360), (65, 12644528), (74, 11106680), (80, 10273679), (104, 7902830), (106, 7753720), (124, 6628180), (130, 6322264), (148, 5553340), (155, 5302544), (169, 4863280), (185, 4442672), (208, 3951415), (212, 3876860), (248, 3314090), (260, 3161132), (265, 3101488), (296, 2776670), (310, 2651272), (338, 2431640), (370, 2221336), (403, 2039440), (424, 1938430), (481, 1708720), (496, 1657045), (520, 1580566), (530, 1550744), (592, 1388335), (620, 1325636), (676, 1215820), (689, 1192880), (740, 1110668), (806, 1019720), (845, 972656), (848, 969215), (962, 854360), (1040, 790283), (1060, 775372), (1147, 716560), (1240, 662818), (1352, 607910), (1378, 596440), (1480, 555334), (1612, 509860), (1643, 500240), (1690, 486328), (1924, 427180), (1961, 419120), (2015, 407888), (2120, 387686), (2294, 358280), (2405, 341744), (2480, 331409), (2704, 303955), (2756, 298220), (2960, 277667), (3224, 254930), (3286, 250120), (3380, 243164), (3445, 238576), (3848, 213590), (3922, 209560), (4030, 203944), (4240, 193843), (4588, 179140), (4810, 170872), (5239, 156880), (5512, 149110), (5735, 143312), (6253, 131440), (6448, 127465), (6572, 125060), (6760, 121582), (6890, 119288), (7696, 106795), (7844, 104780), (8060, 101972), (8215, 100048), (8957, 91760), (9176, 89570), (9620, 85436), (9805, 83824), (10478, 78440), (11024, 74555), (11470, 71656), (12506, 65720), (13144, 62530), (13520, 60791), (13780, 59644), (14911, 55120), (15688, 52390), (16120, 50986), (16430, 50024), (17914, 45880), (18352, 44785), (19240, 42718), (19610, 41912), (20956, 39220), (21359, 38480), (22940, 35828), (25012, 32860), (25493, 32240), (26195, 31376), (26288, 31265), (27560, 29822)]