421620360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 256

約数和(自身を含む): 1528934400

約数和(自身を除く): 1107314040

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, 84, 92, 105, 115, 120, 138, 139, 140, 157, 161, 168, 184, 210, 230, 276, 278, 280, 314, 322, 345, 417, 420, 460, 471, 483, 552, 556, 628, 644, 690, 695, 785, 805, 834, 840, 920, 942, 966, 973, 1099, 1112, 1256, 1288, 1380, 1390, 1570, 1610, 1668, 1884, 1932, 1946, 2085, 2198, 2355, 2415, 2760, 2780, 2919, 3140, 3197, 3220, 3297, 3336, 3611, 3768, 3864, 3892, 4170, 4396, 4710, 4830, 4865, 5495, 5560, 5838, 6280, 6394, 6440, 6594, 7222, 7784, 8340, 8792, 9420, 9591, 9660, 9730, 10833, 10990, 11676, 12788, 13188, 14444, 14595, 15985, 16485, 16680, 18055, 18840, 19182, 19320, 19460, 21666, 21823, 21980, 22379, 23352, 25277, 25576, 26376, 28888, 29190, 31970, 32970, 36110, 38364, 38920, 43332, 43646, 43960, 44758, 47955, 50554, 54165, 58380, 63940, 65469, 65940, 67137, 72220, 75831, 76728, 86664, 87292, 89516, 95910, 101108, 108330, 109115, 111895, 116760, 126385, 127880, 130938, 131880, 134274, 144440, 151662, 152761, 174584, 179032, 191820, 202216, 216660, 218230, 223790, 252770, 261876, 268548, 303324, 305522, 327345, 335685, 379155, 383640, 433320, 436460, 447580, 458283, 501929, 505540, 523752, 537096, 606648, 611044, 654690, 671370, 758310, 763805, 872920, 895160, 916566, 1003858, 1011080, 1222088, 1309380, 1342740, 1505787, 1516620, 1527610, 1833132, 2007716, 2291415, 2509645, 2618760, 2685480, 3011574, 3033240, 3055220, 3513503, 3666264, 4015432, 4582830, 5019290, 6023148, 6110440, 7027006, 7528935, 9165660, 10038580, 10540509, 12046296, 14054012, 15057870, 17567515, 18331320, 20077160, 21081018, 28108024, 30115740, 35135030, 42162036, 52702545, 60231480, 70270060, 84324072, 105405090, 140540120, 210810180, 421620360]

約数ペア:

[(1, 421620360), (2, 210810180), (3, 140540120), (4, 105405090), (5, 84324072), (6, 70270060), (7, 60231480), (8, 52702545), (10, 42162036), (12, 35135030), (14, 30115740), (15, 28108024), (20, 21081018), (21, 20077160), (23, 18331320), (24, 17567515), (28, 15057870), (30, 14054012), (35, 12046296), (40, 10540509), (42, 10038580), (46, 9165660), (56, 7528935), (60, 7027006), (69, 6110440), (70, 6023148), (84, 5019290), (92, 4582830), (105, 4015432), (115, 3666264), (120, 3513503), (138, 3055220), (139, 3033240), (140, 3011574), (157, 2685480), (161, 2618760), (168, 2509645), (184, 2291415), (210, 2007716), (230, 1833132), (276, 1527610), (278, 1516620), (280, 1505787), (314, 1342740), (322, 1309380), (345, 1222088), (417, 1011080), (420, 1003858), (460, 916566), (471, 895160), (483, 872920), (552, 763805), (556, 758310), (628, 671370), (644, 654690), (690, 611044), (695, 606648), (785, 537096), (805, 523752), (834, 505540), (840, 501929), (920, 458283), (942, 447580), (966, 436460), (973, 433320), (1099, 383640), (1112, 379155), (1256, 335685), (1288, 327345), (1380, 305522), (1390, 303324), (1570, 268548), (1610, 261876), (1668, 252770), (1884, 223790), (1932, 218230), (1946, 216660), (2085, 202216), (2198, 191820), (2355, 179032), (2415, 174584), (2760, 152761), (2780, 151662), (2919, 144440), (3140, 134274), (3197, 131880), (3220, 130938), (3297, 127880), (3336, 126385), (3611, 116760), (3768, 111895), (3864, 109115), (3892, 108330), (4170, 101108), (4396, 95910), (4710, 89516), (4830, 87292), (4865, 86664), (5495, 76728), (5560, 75831), (5838, 72220), (6280, 67137), (6394, 65940), (6440, 65469), (6594, 63940), (7222, 58380), (7784, 54165), (8340, 50554), (8792, 47955), (9420, 44758), (9591, 43960), (9660, 43646), (9730, 43332), (10833, 38920), (10990, 38364), (11676, 36110), (12788, 32970), (13188, 31970), (14444, 29190), (14595, 28888), (15985, 26376), (16485, 25576), (16680, 25277), (18055, 23352), (18840, 22379), (19182, 21980), (19320, 21823), (19460, 21666)]