421736280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 1532805120

約数和(自身を除く): 1111068840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 83, 84, 92, 105, 115, 120, 138, 140, 161, 166, 168, 184, 210, 230, 249, 263, 276, 280, 322, 332, 345, 415, 420, 460, 483, 498, 526, 552, 581, 644, 664, 690, 789, 805, 830, 840, 920, 966, 996, 1052, 1162, 1245, 1288, 1315, 1380, 1578, 1610, 1660, 1743, 1841, 1909, 1932, 1992, 2104, 2324, 2415, 2490, 2630, 2760, 2905, 3156, 3220, 3320, 3486, 3682, 3818, 3864, 3945, 4648, 4830, 4980, 5260, 5523, 5727, 5810, 6049, 6312, 6440, 6972, 7364, 7636, 7890, 8715, 9205, 9545, 9660, 9960, 10520, 11046, 11454, 11620, 12098, 13363, 13944, 14728, 15272, 15780, 17430, 18147, 18410, 19090, 19320, 21829, 22092, 22908, 23240, 24196, 26726, 27615, 28635, 30245, 31560, 34860, 36294, 36820, 38180, 40089, 42343, 43658, 44184, 45816, 48392, 53452, 55230, 57270, 60490, 65487, 66815, 69720, 72588, 73640, 76360, 80178, 84686, 87316, 90735, 106904, 109145, 110460, 114540, 120980, 127029, 130974, 133630, 145176, 152803, 160356, 169372, 174632, 181470, 200445, 211715, 218290, 220920, 229080, 241960, 254058, 261948, 267260, 305606, 320712, 327435, 338744, 362940, 400890, 423430, 436580, 458409, 502067, 508116, 523896, 534520, 611212, 635145, 654870, 725880, 764015, 801780, 846860, 873160, 916818, 1004134, 1016232, 1222424, 1270290, 1309740, 1506201, 1528030, 1603560, 1693720, 1833636, 2008268, 2292045, 2510335, 2540580, 2619480, 3012402, 3056060, 3514469, 3667272, 4016536, 4584090, 5020670, 5081160, 6024804, 6112120, 7028938, 7531005, 9168180, 10041340, 10543407, 12049608, 14057876, 15062010, 17572345, 18336360, 20082680, 21086814, 28115752, 30124020, 35144690, 42173628, 52717035, 60248040, 70289380, 84347256, 105434070, 140578760, 210868140, 421736280]

約数ペア:

[(1, 421736280), (2, 210868140), (3, 140578760), (4, 105434070), (5, 84347256), (6, 70289380), (7, 60248040), (8, 52717035), (10, 42173628), (12, 35144690), (14, 30124020), (15, 28115752), (20, 21086814), (21, 20082680), (23, 18336360), (24, 17572345), (28, 15062010), (30, 14057876), (35, 12049608), (40, 10543407), (42, 10041340), (46, 9168180), (56, 7531005), (60, 7028938), (69, 6112120), (70, 6024804), (83, 5081160), (84, 5020670), (92, 4584090), (105, 4016536), (115, 3667272), (120, 3514469), (138, 3056060), (140, 3012402), (161, 2619480), (166, 2540580), (168, 2510335), (184, 2292045), (210, 2008268), (230, 1833636), (249, 1693720), (263, 1603560), (276, 1528030), (280, 1506201), (322, 1309740), (332, 1270290), (345, 1222424), (415, 1016232), (420, 1004134), (460, 916818), (483, 873160), (498, 846860), (526, 801780), (552, 764015), (581, 725880), (644, 654870), (664, 635145), (690, 611212), (789, 534520), (805, 523896), (830, 508116), (840, 502067), (920, 458409), (966, 436580), (996, 423430), (1052, 400890), (1162, 362940), (1245, 338744), (1288, 327435), (1315, 320712), (1380, 305606), (1578, 267260), (1610, 261948), (1660, 254058), (1743, 241960), (1841, 229080), (1909, 220920), (1932, 218290), (1992, 211715), (2104, 200445), (2324, 181470), (2415, 174632), (2490, 169372), (2630, 160356), (2760, 152803), (2905, 145176), (3156, 133630), (3220, 130974), (3320, 127029), (3486, 120980), (3682, 114540), (3818, 110460), (3864, 109145), (3945, 106904), (4648, 90735), (4830, 87316), (4980, 84686), (5260, 80178), (5523, 76360), (5727, 73640), (5810, 72588), (6049, 69720), (6312, 66815), (6440, 65487), (6972, 60490), (7364, 57270), (7636, 55230), (7890, 53452), (8715, 48392), (9205, 45816), (9545, 44184), (9660, 43658), (9960, 42343), (10520, 40089), (11046, 38180), (11454, 36820), (11620, 36294), (12098, 34860), (13363, 31560), (13944, 30245), (14728, 28635), (15272, 27615), (15780, 26726), (17430, 24196), (18147, 23240), (18410, 22908), (19090, 22092), (19320, 21829)]