31453740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 106535520

約数和(自身を除く): 75081780

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, 541, 570, 612, 646, 684, 765, 855, 969, 1020, 1082, 1140, 1292, 1530, 1615, 1623, 1710, 1938, 2164, 2705, 2907, 3060, 3230, 3246, 3420, 3876, 4845, 4869, 5410, 5814, 6460, 6492, 8115, 9197, 9690, 9738, 10279, 10820, 11628, 14535, 16230, 18394, 19380, 19476, 20558, 24345, 27591, 29070, 30837, 32460, 36788, 41116, 45985, 48690, 51395, 55182, 58140, 61674, 82773, 91970, 92511, 97380, 102790, 110364, 123348, 137955, 154185, 165546, 174743, 183940, 185022, 205580, 275910, 308370, 331092, 349486, 370044, 413865, 462555, 524229, 551820, 616740, 698972, 827730, 873715, 925110, 1048458, 1572687, 1655460, 1747430, 1850220, 2096916, 2621145, 3145374, 3494860, 5242290, 6290748, 7863435, 10484580, 15726870, 31453740]

約数ペア:

[(1, 31453740), (2, 15726870), (3, 10484580), (4, 7863435), (5, 6290748), (6, 5242290), (9, 3494860), (10, 3145374), (12, 2621145), (15, 2096916), (17, 1850220), (18, 1747430), (19, 1655460), (20, 1572687), (30, 1048458), (34, 925110), (36, 873715), (38, 827730), (45, 698972), (51, 616740), (57, 551820), (60, 524229), (68, 462555), (76, 413865), (85, 370044), (90, 349486), (95, 331092), (102, 308370), (114, 275910), (153, 205580), (170, 185022), (171, 183940), (180, 174743), (190, 165546), (204, 154185), (228, 137955), (255, 123348), (285, 110364), (306, 102790), (323, 97380), (340, 92511), (342, 91970), (380, 82773), (510, 61674), (541, 58140), (570, 55182), (612, 51395), (646, 48690), (684, 45985), (765, 41116), (855, 36788), (969, 32460), (1020, 30837), (1082, 29070), (1140, 27591), (1292, 24345), (1530, 20558), (1615, 19476), (1623, 19380), (1710, 18394), (1938, 16230), (2164, 14535), (2705, 11628), (2907, 10820), (3060, 10279), (3230, 9738), (3246, 9690), (3420, 9197), (3876, 8115), (4845, 6492), (4869, 6460), (5410, 5814)]