1918427220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3943}}^1$

素因数の和:4031

約数の個数: 192

約数和(自身を含む): 6440394240

約数和(自身を除く): 4521967020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 53, 54, 60, 68, 85, 90, 102, 106, 108, 135, 153, 159, 170, 180, 204, 212, 255, 265, 270, 306, 318, 340, 459, 477, 510, 530, 540, 612, 636, 765, 795, 901, 918, 954, 1020, 1060, 1431, 1530, 1590, 1802, 1836, 1908, 2295, 2385, 2703, 2862, 3060, 3180, 3604, 3943, 4505, 4590, 4770, 5406, 5724, 7155, 7886, 8109, 9010, 9180, 9540, 10812, 11829, 13515, 14310, 15772, 16218, 18020, 19715, 23658, 24327, 27030, 28620, 32436, 35487, 39430, 40545, 47316, 48654, 54060, 59145, 67031, 70974, 78860, 81090, 97308, 106461, 118290, 121635, 134062, 141948, 162180, 177435, 201093, 208979, 212922, 236580, 243270, 268124, 335155, 354870, 402186, 417958, 425844, 486540, 532305, 603279, 626937, 670310, 709740, 804372, 835916, 1005465, 1044895, 1064610, 1206558, 1253874, 1340620, 1809837, 1880811, 2010930, 2089790, 2129220, 2413116, 2507748, 3016395, 3134685, 3552643, 3619674, 3761622, 4021860, 4179580, 5642433, 6032790, 6269370, 7105286, 7239348, 7523244, 9049185, 9404055, 10657929, 11284866, 12065580, 12538740, 14210572, 17763215, 18098370, 18808110, 21315858, 22569732, 28212165, 31973787, 35526430, 36196740, 37616220, 42631716, 53289645, 56424330, 63947574, 71052860, 95921361, 106579290, 112848660, 127895148, 159868935, 191842722, 213158580, 319737870, 383685444, 479606805, 639475740, 959213610, 1918427220]

約数ペア:

[(1, 1918427220), (2, 959213610), (3, 639475740), (4, 479606805), (5, 383685444), (6, 319737870), (9, 213158580), (10, 191842722), (12, 159868935), (15, 127895148), (17, 112848660), (18, 106579290), (20, 95921361), (27, 71052860), (30, 63947574), (34, 56424330), (36, 53289645), (45, 42631716), (51, 37616220), (53, 36196740), (54, 35526430), (60, 31973787), (68, 28212165), (85, 22569732), (90, 21315858), (102, 18808110), (106, 18098370), (108, 17763215), (135, 14210572), (153, 12538740), (159, 12065580), (170, 11284866), (180, 10657929), (204, 9404055), (212, 9049185), (255, 7523244), (265, 7239348), (270, 7105286), (306, 6269370), (318, 6032790), (340, 5642433), (459, 4179580), (477, 4021860), (510, 3761622), (530, 3619674), (540, 3552643), (612, 3134685), (636, 3016395), (765, 2507748), (795, 2413116), (901, 2129220), (918, 2089790), (954, 2010930), (1020, 1880811), (1060, 1809837), (1431, 1340620), (1530, 1253874), (1590, 1206558), (1802, 1064610), (1836, 1044895), (1908, 1005465), (2295, 835916), (2385, 804372), (2703, 709740), (2862, 670310), (3060, 626937), (3180, 603279), (3604, 532305), (3943, 486540), (4505, 425844), (4590, 417958), (4770, 402186), (5406, 354870), (5724, 335155), (7155, 268124), (7886, 243270), (8109, 236580), (9010, 212922), (9180, 208979), (9540, 201093), (10812, 177435), (11829, 162180), (13515, 141948), (14310, 134062), (15772, 121635), (16218, 118290), (18020, 106461), (19715, 97308), (23658, 81090), (24327, 78860), (27030, 70974), (28620, 67031), (32436, 59145), (35487, 54060), (39430, 48654), (40545, 47316)]