90051720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4055

約数の個数: 128

約数和(自身を含む): 312128640

約数和(自身を除く): 222076920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1496, 1870, 2040, 2244, 2805, 3740, 4013, 4488, 5610, 7480, 8026, 11220, 12039, 16052, 20065, 22440, 24078, 32104, 40130, 44143, 48156, 60195, 68221, 80260, 88286, 96312, 120390, 132429, 136442, 160520, 176572, 204663, 220715, 240780, 264858, 272884, 341105, 353144, 409326, 441430, 481560, 529716, 545768, 662145, 682210, 750431, 818652, 882860, 1023315, 1059432, 1324290, 1364420, 1500862, 1637304, 1765720, 2046630, 2251293, 2648580, 2728840, 3001724, 3752155, 4093260, 4502586, 5297160, 6003448, 7504310, 8186520, 9005172, 11256465, 15008620, 18010344, 22512930, 30017240, 45025860, 90051720]

約数ペア:

[(1, 90051720), (2, 45025860), (3, 30017240), (4, 22512930), (5, 18010344), (6, 15008620), (8, 11256465), (10, 9005172), (11, 8186520), (12, 7504310), (15, 6003448), (17, 5297160), (20, 4502586), (22, 4093260), (24, 3752155), (30, 3001724), (33, 2728840), (34, 2648580), (40, 2251293), (44, 2046630), (51, 1765720), (55, 1637304), (60, 1500862), (66, 1364420), (68, 1324290), (85, 1059432), (88, 1023315), (102, 882860), (110, 818652), (120, 750431), (132, 682210), (136, 662145), (165, 545768), (170, 529716), (187, 481560), (204, 441430), (220, 409326), (255, 353144), (264, 341105), (330, 272884), (340, 264858), (374, 240780), (408, 220715), (440, 204663), (510, 176572), (561, 160520), (660, 136442), (680, 132429), (748, 120390), (935, 96312), (1020, 88286), (1122, 80260), (1320, 68221), (1496, 60195), (1870, 48156), (2040, 44143), (2244, 40130), (2805, 32104), (3740, 24078), (4013, 22440), (4488, 20065), (5610, 16052), (7480, 12039), (8026, 11220)]