20123641440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{285199}}^1$

素因数の和:285234

約数の個数: 216

約数和(自身を含む): 79883949600

約数和(自身を除く): 59760308160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 35280, 70560, 285199, 570398, 855597, 1140796, 1425995, 1711194, 1996393, 2281592, 2566791, 2851990, 3422388, 3992786, 4277985, 4563184, 5133582, 5703980, 5989179, 6844776, 7985572, 8555970, 9126368, 9981965, 10267164, 11407960, 11978358, 12833955, 13689552, 13974751, 15971144, 17111940, 17967537, 19963930, 20534328, 22815920, 23956716, 25667910, 27379104, 27949502, 29945895, 31942288, 34223880, 35935074, 39927860, 41068656, 41924253, 45631840, 47913432, 51335820, 55899004, 59891790, 63884576, 68447760, 69873755, 71870148, 79855720, 82137312, 83848506, 89837685, 95826864, 102671640, 111798008, 119783580, 125772759, 136895520, 139747510, 143740296, 159711440, 167697012, 179675370, 191653728, 205343280, 209621265, 223596016, 239567160, 251545518, 279495020, 287480592, 319422880, 335394024, 359350740, 410686560, 419242530, 447192032, 479134320, 503091036, 558990040, 574961184, 628863795, 670788048, 718701480, 838485060, 958268640, 1006182072, 1117980080, 1257727590, 1341576096, 1437402960, 1676970120, 2012364144, 2235960160, 2515455180, 2874805920, 3353940240, 4024728288, 5030910360, 6707880480, 10061820720, 20123641440]

約数ペア:

[(1, 20123641440), (2, 10061820720), (3, 6707880480), (4, 5030910360), (5, 4024728288), (6, 3353940240), (7, 2874805920), (8, 2515455180), (9, 2235960160), (10, 2012364144), (12, 1676970120), (14, 1437402960), (15, 1341576096), (16, 1257727590), (18, 1117980080), (20, 1006182072), (21, 958268640), (24, 838485060), (28, 718701480), (30, 670788048), (32, 628863795), (35, 574961184), (36, 558990040), (40, 503091036), (42, 479134320), (45, 447192032), (48, 419242530), (49, 410686560), (56, 359350740), (60, 335394024), (63, 319422880), (70, 287480592), (72, 279495020), (80, 251545518), (84, 239567160), (90, 223596016), (96, 209621265), (98, 205343280), (105, 191653728), (112, 179675370), (120, 167697012), (126, 159711440), (140, 143740296), (144, 139747510), (147, 136895520), (160, 125772759), (168, 119783580), (180, 111798008), (196, 102671640), (210, 95826864), (224, 89837685), (240, 83848506), (245, 82137312), (252, 79855720), (280, 71870148), (288, 69873755), (294, 68447760), (315, 63884576), (336, 59891790), (360, 55899004), (392, 51335820), (420, 47913432), (441, 45631840), (480, 41924253), (490, 41068656), (504, 39927860), (560, 35935074), (588, 34223880), (630, 31942288), (672, 29945895), (720, 27949502), (735, 27379104), (784, 25667910), (840, 23956716), (882, 22815920), (980, 20534328), (1008, 19963930), (1120, 17967537), (1176, 17111940), (1260, 15971144), (1440, 13974751), (1470, 13689552), (1568, 12833955), (1680, 11978358), (1764, 11407960), (1960, 10267164), (2016, 9981965), (2205, 9126368), (2352, 8555970), (2520, 7985572), (2940, 6844776), (3360, 5989179), (3528, 5703980), (3920, 5133582), (4410, 4563184), (4704, 4277985), (5040, 3992786), (5880, 3422388), (7056, 2851990), (7840, 2566791), (8820, 2281592), (10080, 1996393), (11760, 1711194), (14112, 1425995), (17640, 1140796), (23520, 855597), (35280, 570398), (70560, 285199)]