72755320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 189604800

約数和(自身を除く): 116849480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 41, 44, 55, 74, 82, 88, 109, 110, 148, 164, 185, 205, 218, 220, 296, 328, 370, 407, 410, 436, 440, 451, 545, 740, 814, 820, 872, 902, 1090, 1199, 1480, 1517, 1628, 1640, 1804, 2035, 2180, 2255, 2398, 3034, 3256, 3608, 4033, 4070, 4360, 4469, 4510, 4796, 5995, 6068, 7585, 8066, 8140, 8938, 9020, 9592, 11990, 12136, 15170, 16132, 16280, 16687, 17876, 18040, 20165, 22345, 23980, 30340, 32264, 33374, 35752, 40330, 44363, 44690, 47960, 49159, 60680, 66748, 80660, 83435, 88726, 89380, 98318, 133496, 161320, 165353, 166870, 177452, 178760, 196636, 221815, 245795, 330706, 333740, 354904, 393272, 443630, 491590, 661412, 667480, 826765, 887260, 983180, 1322824, 1653530, 1774520, 1818883, 1966360, 3307060, 3637766, 6614120, 7275532, 9094415, 14551064, 18188830, 36377660, 72755320]

約数ペア:

[(1, 72755320), (2, 36377660), (4, 18188830), (5, 14551064), (8, 9094415), (10, 7275532), (11, 6614120), (20, 3637766), (22, 3307060), (37, 1966360), (40, 1818883), (41, 1774520), (44, 1653530), (55, 1322824), (74, 983180), (82, 887260), (88, 826765), (109, 667480), (110, 661412), (148, 491590), (164, 443630), (185, 393272), (205, 354904), (218, 333740), (220, 330706), (296, 245795), (328, 221815), (370, 196636), (407, 178760), (410, 177452), (436, 166870), (440, 165353), (451, 161320), (545, 133496), (740, 98318), (814, 89380), (820, 88726), (872, 83435), (902, 80660), (1090, 66748), (1199, 60680), (1480, 49159), (1517, 47960), (1628, 44690), (1640, 44363), (1804, 40330), (2035, 35752), (2180, 33374), (2255, 32264), (2398, 30340), (3034, 23980), (3256, 22345), (3608, 20165), (4033, 18040), (4070, 17876), (4360, 16687), (4469, 16280), (4510, 16132), (4796, 15170), (5995, 12136), (6068, 11990), (7585, 9592), (8066, 9020), (8140, 8938)]