30656880

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 113742720

約数和(自身を除く): 83085840

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, 83, 90, 95, 108, 114, 120, 135, 144, 152, 162, 166, 171, 180, 190, 216, 228, 240, 243, 249, 270, 285, 304, 324, 332, 342, 360, 380, 405, 415, 432, 456, 486, 498, 513, 540, 570, 648, 664, 684, 720, 747, 760, 810, 830, 855, 912, 972, 996, 1026, 1080, 1140, 1215, 1245, 1296, 1328, 1368, 1494, 1520, 1539, 1577, 1620, 1660, 1710, 1944, 1992, 2052, 2160, 2241, 2280, 2430, 2490, 2565, 2736, 2988, 3078, 3154, 3240, 3320, 3420, 3735, 3888, 3984, 4104, 4482, 4560, 4617, 4731, 4860, 4980, 5130, 5976, 6156, 6308, 6480, 6640, 6723, 6840, 7470, 7695, 7885, 8208, 8964, 9234, 9462, 9720, 9960, 10260, 11205, 11952, 12312, 12616, 13446, 13680, 14193, 14940, 15390, 15770, 17928, 18468, 18924, 19440, 19920, 20169, 20520, 22410, 23085, 23655, 24624, 25232, 26892, 28386, 29880, 30780, 31540, 33615, 35856, 36936, 37848, 40338, 41040, 42579, 44820, 46170, 47310, 53784, 56772, 59760, 61560, 63080, 67230, 70965, 73872, 75696, 80676, 85158, 89640, 92340, 94620, 100845, 107568, 113544, 123120, 126160, 127737, 134460, 141930, 161352, 170316, 179280, 184680, 189240, 201690, 212895, 227088, 255474, 268920, 283860, 322704, 340632, 369360, 378480, 383211, 403380, 425790, 510948, 537840, 567720, 638685, 681264, 766422, 806760, 851580, 1021896, 1135440, 1277370, 1532844, 1613520, 1703160, 1916055, 2043792, 2554740, 3065688, 3406320, 3832110, 5109480, 6131376, 7664220, 10218960, 15328440, 30656880]

約数ペア:

[(1, 30656880), (2, 15328440), (3, 10218960), (4, 7664220), (5, 6131376), (6, 5109480), (8, 3832110), (9, 3406320), (10, 3065688), (12, 2554740), (15, 2043792), (16, 1916055), (18, 1703160), (19, 1613520), (20, 1532844), (24, 1277370), (27, 1135440), (30, 1021896), (36, 851580), (38, 806760), (40, 766422), (45, 681264), (48, 638685), (54, 567720), (57, 537840), (60, 510948), (72, 425790), (76, 403380), (80, 383211), (81, 378480), (83, 369360), (90, 340632), (95, 322704), (108, 283860), (114, 268920), (120, 255474), (135, 227088), (144, 212895), (152, 201690), (162, 189240), (166, 184680), (171, 179280), (180, 170316), (190, 161352), (216, 141930), (228, 134460), (240, 127737), (243, 126160), (249, 123120), (270, 113544), (285, 107568), (304, 100845), (324, 94620), (332, 92340), (342, 89640), (360, 85158), (380, 80676), (405, 75696), (415, 73872), (432, 70965), (456, 67230), (486, 63080), (498, 61560), (513, 59760), (540, 56772), (570, 53784), (648, 47310), (664, 46170), (684, 44820), (720, 42579), (747, 41040), (760, 40338), (810, 37848), (830, 36936), (855, 35856), (912, 33615), (972, 31540), (996, 30780), (1026, 29880), (1080, 28386), (1140, 26892), (1215, 25232), (1245, 24624), (1296, 23655), (1328, 23085), (1368, 22410), (1494, 20520), (1520, 20169), (1539, 19920), (1577, 19440), (1620, 18924), (1660, 18468), (1710, 17928), (1944, 15770), (1992, 15390), (2052, 14940), (2160, 14193), (2241, 13680), (2280, 13446), (2430, 12616), (2490, 12312), (2565, 11952), (2736, 11205), (2988, 10260), (3078, 9960), (3154, 9720), (3240, 9462), (3320, 9234), (3420, 8964), (3735, 8208), (3888, 7885), (3984, 7695), (4104, 7470), (4482, 6840), (4560, 6723), (4617, 6640), (4731, 6480), (4860, 6308), (4980, 6156), (5130, 5976)]