221361840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 240

約数和(自身を含む): 857945088

約数和(自身を除く): 636583248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 167, 168, 180, 210, 240, 252, 263, 280, 315, 334, 336, 360, 420, 501, 504, 526, 560, 630, 668, 720, 789, 835, 840, 1002, 1008, 1052, 1169, 1260, 1315, 1336, 1503, 1578, 1670, 1680, 1841, 2004, 2104, 2338, 2367, 2505, 2520, 2630, 2672, 3006, 3156, 3340, 3507, 3682, 3945, 4008, 4208, 4676, 4734, 5010, 5040, 5260, 5523, 5845, 6012, 6312, 6680, 7014, 7364, 7515, 7890, 8016, 9205, 9352, 9468, 10020, 10520, 10521, 11046, 11690, 11835, 12024, 12624, 13360, 14028, 14728, 15030, 15780, 16569, 17535, 18410, 18704, 18936, 20040, 21040, 21042, 22092, 23380, 23670, 24048, 27615, 28056, 29456, 30060, 31560, 33138, 35070, 36820, 37872, 40080, 42084, 43921, 44184, 46760, 47340, 52605, 55230, 56112, 60120, 63120, 66276, 70140, 73640, 82845, 84168, 87842, 88368, 93520, 94680, 105210, 110460, 120240, 131763, 132552, 140280, 147280, 165690, 168336, 175684, 189360, 210420, 219605, 220920, 263526, 265104, 280560, 307447, 331380, 351368, 395289, 420840, 439210, 441840, 527052, 614894, 658815, 662760, 702736, 790578, 841680, 878420, 922341, 1054104, 1229788, 1317630, 1325520, 1537235, 1581156, 1756840, 1844682, 1976445, 2108208, 2459576, 2635260, 2767023, 3074470, 3162312, 3513680, 3689364, 3952890, 4611705, 4919152, 5270520, 5534046, 6148940, 6324624, 7378728, 7905780, 9223410, 10541040, 11068092, 12297880, 13835115, 14757456, 15811560, 18446820, 22136184, 24595760, 27670230, 31623120, 36893640, 44272368, 55340460, 73787280, 110680920, 221361840]

約数ペア:

[(1, 221361840), (2, 110680920), (3, 73787280), (4, 55340460), (5, 44272368), (6, 36893640), (7, 31623120), (8, 27670230), (9, 24595760), (10, 22136184), (12, 18446820), (14, 15811560), (15, 14757456), (16, 13835115), (18, 12297880), (20, 11068092), (21, 10541040), (24, 9223410), (28, 7905780), (30, 7378728), (35, 6324624), (36, 6148940), (40, 5534046), (42, 5270520), (45, 4919152), (48, 4611705), (56, 3952890), (60, 3689364), (63, 3513680), (70, 3162312), (72, 3074470), (80, 2767023), (84, 2635260), (90, 2459576), (105, 2108208), (112, 1976445), (120, 1844682), (126, 1756840), (140, 1581156), (144, 1537235), (167, 1325520), (168, 1317630), (180, 1229788), (210, 1054104), (240, 922341), (252, 878420), (263, 841680), (280, 790578), (315, 702736), (334, 662760), (336, 658815), (360, 614894), (420, 527052), (501, 441840), (504, 439210), (526, 420840), (560, 395289), (630, 351368), (668, 331380), (720, 307447), (789, 280560), (835, 265104), (840, 263526), (1002, 220920), (1008, 219605), (1052, 210420), (1169, 189360), (1260, 175684), (1315, 168336), (1336, 165690), (1503, 147280), (1578, 140280), (1670, 132552), (1680, 131763), (1841, 120240), (2004, 110460), (2104, 105210), (2338, 94680), (2367, 93520), (2505, 88368), (2520, 87842), (2630, 84168), (2672, 82845), (3006, 73640), (3156, 70140), (3340, 66276), (3507, 63120), (3682, 60120), (3945, 56112), (4008, 55230), (4208, 52605), (4676, 47340), (4734, 46760), (5010, 44184), (5040, 43921), (5260, 42084), (5523, 40080), (5845, 37872), (6012, 36820), (6312, 35070), (6680, 33138), (7014, 31560), (7364, 30060), (7515, 29456), (7890, 28056), (8016, 27615), (9205, 24048), (9352, 23670), (9468, 23380), (10020, 22092), (10520, 21042), (10521, 21040), (11046, 20040), (11690, 18936), (11835, 18704), (12024, 18410), (12624, 17535), (13360, 16569), (14028, 15780), (14728, 15030)]