30290940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 102604320

約数和(自身を除く): 72313380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 521, 570, 612, 646, 684, 765, 855, 969, 1020, 1042, 1140, 1292, 1530, 1563, 1615, 1710, 1938, 2084, 2605, 2907, 3060, 3126, 3230, 3420, 3876, 4689, 4845, 5210, 5814, 6252, 6460, 7815, 8857, 9378, 9690, 9899, 10420, 11628, 14535, 15630, 17714, 18756, 19380, 19798, 23445, 26571, 29070, 29697, 31260, 35428, 39596, 44285, 46890, 49495, 53142, 58140, 59394, 79713, 88570, 89091, 93780, 98990, 106284, 118788, 132855, 148485, 159426, 168283, 177140, 178182, 197980, 265710, 296970, 318852, 336566, 356364, 398565, 445455, 504849, 531420, 593940, 673132, 797130, 841415, 890910, 1009698, 1514547, 1594260, 1682830, 1781820, 2019396, 2524245, 3029094, 3365660, 5048490, 6058188, 7572735, 10096980, 15145470, 30290940]

約数ペア:

[(1, 30290940), (2, 15145470), (3, 10096980), (4, 7572735), (5, 6058188), (6, 5048490), (9, 3365660), (10, 3029094), (12, 2524245), (15, 2019396), (17, 1781820), (18, 1682830), (19, 1594260), (20, 1514547), (30, 1009698), (34, 890910), (36, 841415), (38, 797130), (45, 673132), (51, 593940), (57, 531420), (60, 504849), (68, 445455), (76, 398565), (85, 356364), (90, 336566), (95, 318852), (102, 296970), (114, 265710), (153, 197980), (170, 178182), (171, 177140), (180, 168283), (190, 159426), (204, 148485), (228, 132855), (255, 118788), (285, 106284), (306, 98990), (323, 93780), (340, 89091), (342, 88570), (380, 79713), (510, 59394), (521, 58140), (570, 53142), (612, 49495), (646, 46890), (684, 44285), (765, 39596), (855, 35428), (969, 31260), (1020, 29697), (1042, 29070), (1140, 26571), (1292, 23445), (1530, 19798), (1563, 19380), (1615, 18756), (1710, 17714), (1938, 15630), (2084, 14535), (2605, 11628), (2907, 10420), (3060, 9899), (3126, 9690), (3230, 9378), (3420, 8857), (3876, 7815), (4689, 6460), (4845, 6252), (5210, 5814)]