205870320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 240

約数和(自身を含む): 739908000

約数和(自身を除く): 534037680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 101, 114, 120, 144, 149, 152, 171, 180, 190, 202, 228, 240, 285, 298, 303, 304, 342, 360, 380, 404, 447, 456, 505, 570, 596, 606, 684, 720, 745, 760, 808, 855, 894, 909, 912, 1010, 1140, 1192, 1212, 1341, 1368, 1490, 1515, 1520, 1616, 1710, 1788, 1818, 1919, 2020, 2235, 2280, 2384, 2424, 2682, 2736, 2831, 2980, 3030, 3420, 3576, 3636, 3838, 4040, 4470, 4545, 4560, 4848, 5364, 5662, 5757, 5960, 6060, 6705, 6840, 7152, 7272, 7676, 8080, 8493, 8940, 9090, 9595, 10728, 11324, 11514, 11920, 12120, 13410, 13680, 14155, 14544, 15049, 15352, 16986, 17271, 17880, 18180, 19190, 21456, 22648, 23028, 24240, 25479, 26820, 28310, 28785, 30098, 30704, 33972, 34542, 35760, 36360, 38380, 42465, 45147, 45296, 46056, 50958, 53640, 56620, 57570, 60196, 67944, 69084, 72720, 75245, 76760, 84930, 86355, 90294, 92112, 101916, 107280, 113240, 115140, 120392, 127395, 135441, 135888, 138168, 150490, 153520, 169860, 172710, 180588, 203832, 225735, 226480, 230280, 240784, 254790, 270882, 276336, 285931, 300980, 339720, 345420, 361176, 407664, 451470, 460560, 509580, 541764, 571862, 601960, 677205, 679440, 690840, 722352, 857793, 902940, 1019160, 1083528, 1143724, 1203920, 1354410, 1381680, 1429655, 1715586, 1805880, 2038320, 2167056, 2287448, 2573379, 2708820, 2859310, 3431172, 3611760, 4288965, 4574896, 5146758, 5417640, 5718620, 6862344, 8577930, 10293516, 10835280, 11437240, 12866895, 13724688, 17155860, 20587032, 22874480, 25733790, 34311720, 41174064, 51467580, 68623440, 102935160, 205870320]

約数ペア:

[(1, 205870320), (2, 102935160), (3, 68623440), (4, 51467580), (5, 41174064), (6, 34311720), (8, 25733790), (9, 22874480), (10, 20587032), (12, 17155860), (15, 13724688), (16, 12866895), (18, 11437240), (19, 10835280), (20, 10293516), (24, 8577930), (30, 6862344), (36, 5718620), (38, 5417640), (40, 5146758), (45, 4574896), (48, 4288965), (57, 3611760), (60, 3431172), (72, 2859310), (76, 2708820), (80, 2573379), (90, 2287448), (95, 2167056), (101, 2038320), (114, 1805880), (120, 1715586), (144, 1429655), (149, 1381680), (152, 1354410), (171, 1203920), (180, 1143724), (190, 1083528), (202, 1019160), (228, 902940), (240, 857793), (285, 722352), (298, 690840), (303, 679440), (304, 677205), (342, 601960), (360, 571862), (380, 541764), (404, 509580), (447, 460560), (456, 451470), (505, 407664), (570, 361176), (596, 345420), (606, 339720), (684, 300980), (720, 285931), (745, 276336), (760, 270882), (808, 254790), (855, 240784), (894, 230280), (909, 226480), (912, 225735), (1010, 203832), (1140, 180588), (1192, 172710), (1212, 169860), (1341, 153520), (1368, 150490), (1490, 138168), (1515, 135888), (1520, 135441), (1616, 127395), (1710, 120392), (1788, 115140), (1818, 113240), (1919, 107280), (2020, 101916), (2235, 92112), (2280, 90294), (2384, 86355), (2424, 84930), (2682, 76760), (2736, 75245), (2831, 72720), (2980, 69084), (3030, 67944), (3420, 60196), (3576, 57570), (3636, 56620), (3838, 53640), (4040, 50958), (4470, 46056), (4545, 45296), (4560, 45147), (4848, 42465), (5364, 38380), (5662, 36360), (5757, 35760), (5960, 34542), (6060, 33972), (6705, 30704), (6840, 30098), (7152, 28785), (7272, 28310), (7676, 26820), (8080, 25479), (8493, 24240), (8940, 23028), (9090, 22648), (9595, 21456), (10728, 19190), (11324, 18180), (11514, 17880), (11920, 17271), (12120, 16986), (13410, 15352), (13680, 15049), (14155, 14544)]