2151180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 7469280

約数和(自身を除く): 5318100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 37, 38, 45, 51, 57, 60, 68, 74, 76, 85, 90, 95, 102, 111, 114, 148, 153, 170, 171, 180, 185, 190, 204, 222, 228, 255, 285, 306, 323, 333, 340, 342, 370, 380, 444, 510, 555, 570, 612, 629, 646, 666, 684, 703, 740, 765, 855, 969, 1020, 1110, 1140, 1258, 1292, 1332, 1406, 1530, 1615, 1665, 1710, 1887, 1938, 2109, 2220, 2516, 2812, 2907, 3060, 3145, 3230, 3330, 3420, 3515, 3774, 3876, 4218, 4845, 5661, 5814, 6290, 6327, 6460, 6660, 7030, 7548, 8436, 9435, 9690, 10545, 11322, 11628, 11951, 12580, 12654, 14060, 14535, 18870, 19380, 21090, 22644, 23902, 25308, 28305, 29070, 31635, 35853, 37740, 42180, 47804, 56610, 58140, 59755, 63270, 71706, 107559, 113220, 119510, 126540, 143412, 179265, 215118, 239020, 358530, 430236, 537795, 717060, 1075590, 2151180]

約数ペア:

[(1, 2151180), (2, 1075590), (3, 717060), (4, 537795), (5, 430236), (6, 358530), (9, 239020), (10, 215118), (12, 179265), (15, 143412), (17, 126540), (18, 119510), (19, 113220), (20, 107559), (30, 71706), (34, 63270), (36, 59755), (37, 58140), (38, 56610), (45, 47804), (51, 42180), (57, 37740), (60, 35853), (68, 31635), (74, 29070), (76, 28305), (85, 25308), (90, 23902), (95, 22644), (102, 21090), (111, 19380), (114, 18870), (148, 14535), (153, 14060), (170, 12654), (171, 12580), (180, 11951), (185, 11628), (190, 11322), (204, 10545), (222, 9690), (228, 9435), (255, 8436), (285, 7548), (306, 7030), (323, 6660), (333, 6460), (340, 6327), (342, 6290), (370, 5814), (380, 5661), (444, 4845), (510, 4218), (555, 3876), (570, 3774), (612, 3515), (629, 3420), (646, 3330), (666, 3230), (684, 3145), (703, 3060), (740, 2907), (765, 2812), (855, 2516), (969, 2220), (1020, 2109), (1110, 1938), (1140, 1887), (1258, 1710), (1292, 1665), (1332, 1615), (1406, 1530)]