20308520880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54983}}^1$

素因数の和:55030

約数の個数: 240

約数和(自身を含む): 74452734720

約数和(自身を除く): 54144213840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1215, 1296, 1368, 1520, 1539, 1620, 1710, 1944, 2052, 2160, 2280, 2430, 2565, 2736, 3078, 3240, 3420, 3888, 4104, 4560, 4617, 4860, 5130, 6156, 6480, 6840, 7695, 8208, 9234, 9720, 10260, 12312, 13680, 15390, 18468, 19440, 20520, 23085, 24624, 30780, 36936, 41040, 46170, 54983, 61560, 73872, 92340, 109966, 123120, 164949, 184680, 219932, 274915, 329898, 369360, 439864, 494847, 549830, 659796, 824745, 879728, 989694, 1044677, 1099660, 1319592, 1484541, 1649490, 1979388, 2089354, 2199320, 2474235, 2639184, 2969082, 3134031, 3298980, 3958776, 4178708, 4398640, 4453623, 4948470, 5223385, 5938164, 6268062, 6597960, 7422705, 7917552, 8357416, 8907246, 9402093, 9896940, 10446770, 11876328, 12536124, 13195920, 13360869, 14845410, 15670155, 16714832, 17814492, 18804186, 19793880, 20893540, 22268115, 23752656, 25072248, 26721738, 28206279, 29690820, 31340310, 35628984, 37608372, 39587760, 41787080, 44536230, 47010465, 50144496, 53443476, 56412558, 59381640, 62680620, 66804345, 71257968, 75216744, 83574160, 84618837, 89072460, 94020930, 106886952, 112825116, 118763280, 125361240, 133608690, 141031395, 150433488, 169237674, 178144920, 188041860, 213773904, 225650232, 250722480, 253856511, 267217380, 282062790, 338475348, 356289840, 376083720, 423094185, 451300464, 507713022, 534434760, 564125580, 676950696, 752167440, 846188370, 1015426044, 1068869520, 1128251160, 1269282555, 1353901392, 1692376740, 2030852088, 2256502320, 2538565110, 3384753480, 4061704176, 5077130220, 6769506960, 10154260440, 20308520880]

約数ペア:

[(1, 20308520880), (2, 10154260440), (3, 6769506960), (4, 5077130220), (5, 4061704176), (6, 3384753480), (8, 2538565110), (9, 2256502320), (10, 2030852088), (12, 1692376740), (15, 1353901392), (16, 1269282555), (18, 1128251160), (19, 1068869520), (20, 1015426044), (24, 846188370), (27, 752167440), (30, 676950696), (36, 564125580), (38, 534434760), (40, 507713022), (45, 451300464), (48, 423094185), (54, 376083720), (57, 356289840), (60, 338475348), (72, 282062790), (76, 267217380), (80, 253856511), (81, 250722480), (90, 225650232), (95, 213773904), (108, 188041860), (114, 178144920), (120, 169237674), (135, 150433488), (144, 141031395), (152, 133608690), (162, 125361240), (171, 118763280), (180, 112825116), (190, 106886952), (216, 94020930), (228, 89072460), (240, 84618837), (243, 83574160), (270, 75216744), (285, 71257968), (304, 66804345), (324, 62680620), (342, 59381640), (360, 56412558), (380, 53443476), (405, 50144496), (432, 47010465), (456, 44536230), (486, 41787080), (513, 39587760), (540, 37608372), (570, 35628984), (648, 31340310), (684, 29690820), (720, 28206279), (760, 26721738), (810, 25072248), (855, 23752656), (912, 22268115), (972, 20893540), (1026, 19793880), (1080, 18804186), (1140, 17814492), (1215, 16714832), (1296, 15670155), (1368, 14845410), (1520, 13360869), (1539, 13195920), (1620, 12536124), (1710, 11876328), (1944, 10446770), (2052, 9896940), (2160, 9402093), (2280, 8907246), (2430, 8357416), (2565, 7917552), (2736, 7422705), (3078, 6597960), (3240, 6268062), (3420, 5938164), (3888, 5223385), (4104, 4948470), (4560, 4453623), (4617, 4398640), (4860, 4178708), (5130, 3958776), (6156, 3298980), (6480, 3134031), (6840, 2969082), (7695, 2639184), (8208, 2474235), (9234, 2199320), (9720, 2089354), (10260, 1979388), (12312, 1649490), (13680, 1484541), (15390, 1319592), (18468, 1099660), (19440, 1044677), (20520, 989694), (23085, 879728), (24624, 824745), (30780, 659796), (36936, 549830), (41040, 494847), (46170, 439864), (54983, 369360), (61560, 329898), (73872, 274915), (92340, 219932), (109966, 184680), (123120, 164949)]