31800780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16061}}^1$

素因数の和:16087

約数の個数: 72

約数和(自身を含む): 105238224

約数和(自身を除く): 73437444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 16061, 32122, 48183, 64244, 80305, 96366, 144549, 160610, 176671, 192732, 240915, 289098, 321220, 353342, 481830, 530013, 578196, 706684, 722745, 883355, 963660, 1060026, 1445490, 1590039, 1766710, 2120052, 2650065, 2890980, 3180078, 3533420, 5300130, 6360156, 7950195, 10600260, 15900390, 31800780]

約数ペア:

[(1, 31800780), (2, 15900390), (3, 10600260), (4, 7950195), (5, 6360156), (6, 5300130), (9, 3533420), (10, 3180078), (11, 2890980), (12, 2650065), (15, 2120052), (18, 1766710), (20, 1590039), (22, 1445490), (30, 1060026), (33, 963660), (36, 883355), (44, 722745), (45, 706684), (55, 578196), (60, 530013), (66, 481830), (90, 353342), (99, 321220), (110, 289098), (132, 240915), (165, 192732), (180, 176671), (198, 160610), (220, 144549), (330, 96366), (396, 80305), (495, 64244), (660, 48183), (990, 32122), (1980, 16061)]