61686540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1112

約数の個数: 144

約数和(自身を含む): 208746720

約数和(自身を除く): 147060180

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, 570, 612, 646, 684, 765, 855, 969, 1020, 1061, 1140, 1292, 1530, 1615, 1710, 1938, 2122, 2907, 3060, 3183, 3230, 3420, 3876, 4244, 4845, 5305, 5814, 6366, 6460, 9549, 9690, 10610, 11628, 12732, 14535, 15915, 18037, 19098, 19380, 20159, 21220, 29070, 31830, 36074, 38196, 40318, 47745, 54111, 58140, 60477, 63660, 72148, 80636, 90185, 95490, 100795, 108222, 120954, 162333, 180370, 181431, 190980, 201590, 216444, 241908, 270555, 302385, 324666, 342703, 360740, 362862, 403180, 541110, 604770, 649332, 685406, 725724, 811665, 907155, 1028109, 1082220, 1209540, 1370812, 1623330, 1713515, 1814310, 2056218, 3084327, 3246660, 3427030, 3628620, 4112436, 5140545, 6168654, 6854060, 10281090, 12337308, 15421635, 20562180, 30843270, 61686540]

約数ペア:

[(1, 61686540), (2, 30843270), (3, 20562180), (4, 15421635), (5, 12337308), (6, 10281090), (9, 6854060), (10, 6168654), (12, 5140545), (15, 4112436), (17, 3628620), (18, 3427030), (19, 3246660), (20, 3084327), (30, 2056218), (34, 1814310), (36, 1713515), (38, 1623330), (45, 1370812), (51, 1209540), (57, 1082220), (60, 1028109), (68, 907155), (76, 811665), (85, 725724), (90, 685406), (95, 649332), (102, 604770), (114, 541110), (153, 403180), (170, 362862), (171, 360740), (180, 342703), (190, 324666), (204, 302385), (228, 270555), (255, 241908), (285, 216444), (306, 201590), (323, 190980), (340, 181431), (342, 180370), (380, 162333), (510, 120954), (570, 108222), (612, 100795), (646, 95490), (684, 90185), (765, 80636), (855, 72148), (969, 63660), (1020, 60477), (1061, 58140), (1140, 54111), (1292, 47745), (1530, 40318), (1615, 38196), (1710, 36074), (1938, 31830), (2122, 29070), (2907, 21220), (3060, 20159), (3183, 19380), (3230, 19098), (3420, 18037), (3876, 15915), (4244, 14535), (4845, 12732), (5305, 11628), (5814, 10610), (6366, 9690), (6460, 9549)]