31221180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 108864000

約数和(自身を除く): 77642820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 179, 180, 190, 204, 228, 255, 270, 285, 306, 323, 340, 342, 358, 380, 459, 510, 513, 537, 540, 570, 612, 646, 684, 716, 765, 855, 895, 918, 969, 1020, 1026, 1074, 1140, 1292, 1530, 1611, 1615, 1710, 1790, 1836, 1938, 2052, 2148, 2295, 2565, 2685, 2907, 3043, 3060, 3222, 3230, 3401, 3420, 3580, 3876, 4590, 4833, 4845, 5130, 5370, 5814, 6086, 6444, 6460, 6802, 8055, 8721, 9129, 9180, 9666, 9690, 10203, 10260, 10740, 11628, 12172, 13604, 14535, 15215, 16110, 17005, 17442, 18258, 19332, 19380, 20406, 24165, 27387, 29070, 30430, 30609, 32220, 34010, 34884, 36516, 40812, 43605, 45645, 48330, 51015, 54774, 57817, 58140, 60860, 61218, 68020, 82161, 87210, 91290, 91827, 96660, 102030, 109548, 115634, 122436, 136935, 153045, 164322, 173451, 174420, 182580, 183654, 204060, 231268, 273870, 289085, 306090, 328644, 346902, 367308, 410805, 459135, 520353, 547740, 578170, 612180, 693804, 821610, 867255, 918270, 1040706, 1156340, 1561059, 1643220, 1734510, 1836540, 2081412, 2601765, 3122118, 3469020, 5203530, 6244236, 7805295, 10407060, 15610590, 31221180]

約数ペア:

[(1, 31221180), (2, 15610590), (3, 10407060), (4, 7805295), (5, 6244236), (6, 5203530), (9, 3469020), (10, 3122118), (12, 2601765), (15, 2081412), (17, 1836540), (18, 1734510), (19, 1643220), (20, 1561059), (27, 1156340), (30, 1040706), (34, 918270), (36, 867255), (38, 821610), (45, 693804), (51, 612180), (54, 578170), (57, 547740), (60, 520353), (68, 459135), (76, 410805), (85, 367308), (90, 346902), (95, 328644), (102, 306090), (108, 289085), (114, 273870), (135, 231268), (153, 204060), (170, 183654), (171, 182580), (179, 174420), (180, 173451), (190, 164322), (204, 153045), (228, 136935), (255, 122436), (270, 115634), (285, 109548), (306, 102030), (323, 96660), (340, 91827), (342, 91290), (358, 87210), (380, 82161), (459, 68020), (510, 61218), (513, 60860), (537, 58140), (540, 57817), (570, 54774), (612, 51015), (646, 48330), (684, 45645), (716, 43605), (765, 40812), (855, 36516), (895, 34884), (918, 34010), (969, 32220), (1020, 30609), (1026, 30430), (1074, 29070), (1140, 27387), (1292, 24165), (1530, 20406), (1611, 19380), (1615, 19332), (1710, 18258), (1790, 17442), (1836, 17005), (1938, 16110), (2052, 15215), (2148, 14535), (2295, 13604), (2565, 12172), (2685, 11628), (2907, 10740), (3043, 10260), (3060, 10203), (3222, 9690), (3230, 9666), (3401, 9180), (3420, 9129), (3580, 8721), (3876, 8055), (4590, 6802), (4833, 6460), (4845, 6444), (5130, 6086), (5370, 5814)]