77688720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 200

約数和(自身を含む): 284475840

約数和(自身を除く): 206787120

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, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 513, 540, 570, 631, 648, 684, 720, 760, 810, 855, 912, 1026, 1080, 1140, 1262, 1296, 1368, 1520, 1539, 1620, 1710, 1893, 2052, 2160, 2280, 2524, 2565, 2736, 3078, 3155, 3240, 3420, 3786, 4104, 4560, 5048, 5130, 5679, 6156, 6310, 6480, 6840, 7572, 7695, 8208, 9465, 10096, 10260, 11358, 11989, 12312, 12620, 13680, 15144, 15390, 17037, 18930, 20520, 22716, 23978, 24624, 25240, 28395, 30288, 30780, 34074, 35967, 37860, 41040, 45432, 47956, 50480, 51111, 56790, 59945, 61560, 68148, 71934, 75720, 85185, 90864, 95912, 102222, 107901, 113580, 119890, 123120, 136296, 143868, 151440, 170370, 179835, 191824, 204444, 215802, 227160, 239780, 255555, 272592, 287736, 323703, 340740, 359670, 408888, 431604, 454320, 479560, 511110, 539505, 575472, 647406, 681480, 719340, 817776, 863208, 959120, 971109, 1022220, 1079010, 1294812, 1362960, 1438680, 1618515, 1726416, 1942218, 2044440, 2158020, 2589624, 2877360, 3237030, 3884436, 4088880, 4316040, 4855545, 5179248, 6474060, 7768872, 8632080, 9711090, 12948120, 15537744, 19422180, 25896240, 38844360, 77688720]

約数ペア:

[(1, 77688720), (2, 38844360), (3, 25896240), (4, 19422180), (5, 15537744), (6, 12948120), (8, 9711090), (9, 8632080), (10, 7768872), (12, 6474060), (15, 5179248), (16, 4855545), (18, 4316040), (19, 4088880), (20, 3884436), (24, 3237030), (27, 2877360), (30, 2589624), (36, 2158020), (38, 2044440), (40, 1942218), (45, 1726416), (48, 1618515), (54, 1438680), (57, 1362960), (60, 1294812), (72, 1079010), (76, 1022220), (80, 971109), (81, 959120), (90, 863208), (95, 817776), (108, 719340), (114, 681480), (120, 647406), (135, 575472), (144, 539505), (152, 511110), (162, 479560), (171, 454320), (180, 431604), (190, 408888), (216, 359670), (228, 340740), (240, 323703), (270, 287736), (285, 272592), (304, 255555), (324, 239780), (342, 227160), (360, 215802), (380, 204444), (405, 191824), (432, 179835), (456, 170370), (513, 151440), (540, 143868), (570, 136296), (631, 123120), (648, 119890), (684, 113580), (720, 107901), (760, 102222), (810, 95912), (855, 90864), (912, 85185), (1026, 75720), (1080, 71934), (1140, 68148), (1262, 61560), (1296, 59945), (1368, 56790), (1520, 51111), (1539, 50480), (1620, 47956), (1710, 45432), (1893, 41040), (2052, 37860), (2160, 35967), (2280, 34074), (2524, 30780), (2565, 30288), (2736, 28395), (3078, 25240), (3155, 24624), (3240, 23978), (3420, 22716), (3786, 20520), (4104, 18930), (4560, 17037), (5048, 15390), (5130, 15144), (5679, 13680), (6156, 12620), (6310, 12312), (6480, 11989), (6840, 11358), (7572, 10260), (7695, 10096), (8208, 9465)]