80821320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 252806400

約数和(自身を除く): 171985080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 109, 111, 120, 148, 167, 185, 218, 222, 296, 327, 334, 370, 436, 444, 501, 545, 555, 654, 668, 740, 835, 872, 888, 1002, 1090, 1110, 1308, 1336, 1480, 1635, 1670, 2004, 2180, 2220, 2505, 2616, 3270, 3340, 4008, 4033, 4360, 4440, 5010, 6179, 6540, 6680, 8066, 10020, 12099, 12358, 13080, 16132, 18203, 18537, 20040, 20165, 24198, 24716, 30895, 32264, 36406, 37074, 40330, 48396, 49432, 54609, 60495, 61790, 72812, 74148, 80660, 91015, 92685, 96792, 109218, 120990, 123580, 145624, 148296, 161320, 182030, 185370, 218436, 241980, 247160, 273045, 364060, 370740, 436872, 483960, 546090, 673511, 728120, 741480, 1092180, 1347022, 2020533, 2184360, 2694044, 3367555, 4041066, 5388088, 6735110, 8082132, 10102665, 13470220, 16164264, 20205330, 26940440, 40410660, 80821320]

約数ペア:

[(1, 80821320), (2, 40410660), (3, 26940440), (4, 20205330), (5, 16164264), (6, 13470220), (8, 10102665), (10, 8082132), (12, 6735110), (15, 5388088), (20, 4041066), (24, 3367555), (30, 2694044), (37, 2184360), (40, 2020533), (60, 1347022), (74, 1092180), (109, 741480), (111, 728120), (120, 673511), (148, 546090), (167, 483960), (185, 436872), (218, 370740), (222, 364060), (296, 273045), (327, 247160), (334, 241980), (370, 218436), (436, 185370), (444, 182030), (501, 161320), (545, 148296), (555, 145624), (654, 123580), (668, 120990), (740, 109218), (835, 96792), (872, 92685), (888, 91015), (1002, 80660), (1090, 74148), (1110, 72812), (1308, 61790), (1336, 60495), (1480, 54609), (1635, 49432), (1670, 48396), (2004, 40330), (2180, 37074), (2220, 36406), (2505, 32264), (2616, 30895), (3270, 24716), (3340, 24198), (4008, 20165), (4033, 20040), (4360, 18537), (4440, 18203), (5010, 16132), (6179, 13080), (6540, 12358), (6680, 12099), (8066, 10020)]