1628879560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 4790016000

約数和(自身を除く): 3161136440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 49, 55, 56, 70, 77, 86, 88, 98, 110, 140, 154, 172, 196, 215, 220, 245, 251, 280, 301, 308, 343, 344, 385, 392, 430, 440, 473, 490, 502, 539, 602, 616, 686, 770, 860, 946, 980, 1004, 1078, 1204, 1255, 1372, 1505, 1540, 1715, 1720, 1757, 1892, 1960, 2008, 2107, 2156, 2365, 2408, 2510, 2695, 2744, 2761, 3010, 3080, 3311, 3430, 3514, 3773, 3784, 4214, 4312, 4730, 5020, 5390, 5522, 6020, 6622, 6860, 7028, 7546, 8428, 8785, 9460, 10040, 10535, 10780, 10793, 11044, 12040, 12299, 13244, 13720, 13805, 14056, 14749, 15092, 16555, 16856, 17570, 18865, 18920, 19327, 21070, 21560, 21586, 22088, 23177, 24598, 26488, 27610, 29498, 30184, 33110, 35140, 37730, 38654, 42140, 43172, 46354, 49196, 53965, 55220, 58996, 61495, 66220, 70280, 73745, 75460, 75551, 77308, 84280, 86093, 86344, 92708, 96635, 98392, 107930, 110440, 115885, 117992, 118723, 122990, 132440, 135289, 147490, 150920, 151102, 154616, 162239, 172186, 185416, 193270, 215860, 231770, 237446, 245980, 270578, 294980, 302204, 324478, 344372, 377755, 386540, 430465, 431720, 463540, 474892, 491960, 528857, 541156, 589960, 593615, 604408, 648956, 676445, 688744, 755510, 773080, 811195, 831061, 860930, 927080, 947023, 949784, 1057714, 1082312, 1187230, 1297912, 1352890, 1511020, 1622390, 1662122, 1721860, 1894046, 2115428, 2374460, 2644285, 2705780, 3022040, 3244780, 3324244, 3443720, 3701999, 3788092, 4155305, 4230856, 4735115, 4748920, 5288570, 5411560, 5817427, 6489560, 6648488, 7403998, 7576184, 8310610, 9470230, 10577140, 11634854, 14807996, 16621220, 18509995, 18940460, 21154280, 23269708, 29087135, 29615992, 33242440, 37019990, 37880920, 40721989, 46539416, 58174270, 74039980, 81443978, 116348540, 148079960, 162887956, 203609945, 232697080, 325775912, 407219890, 814439780, 1628879560]

約数ペア:

[(1, 1628879560), (2, 814439780), (4, 407219890), (5, 325775912), (7, 232697080), (8, 203609945), (10, 162887956), (11, 148079960), (14, 116348540), (20, 81443978), (22, 74039980), (28, 58174270), (35, 46539416), (40, 40721989), (43, 37880920), (44, 37019990), (49, 33242440), (55, 29615992), (56, 29087135), (70, 23269708), (77, 21154280), (86, 18940460), (88, 18509995), (98, 16621220), (110, 14807996), (140, 11634854), (154, 10577140), (172, 9470230), (196, 8310610), (215, 7576184), (220, 7403998), (245, 6648488), (251, 6489560), (280, 5817427), (301, 5411560), (308, 5288570), (343, 4748920), (344, 4735115), (385, 4230856), (392, 4155305), (430, 3788092), (440, 3701999), (473, 3443720), (490, 3324244), (502, 3244780), (539, 3022040), (602, 2705780), (616, 2644285), (686, 2374460), (770, 2115428), (860, 1894046), (946, 1721860), (980, 1662122), (1004, 1622390), (1078, 1511020), (1204, 1352890), (1255, 1297912), (1372, 1187230), (1505, 1082312), (1540, 1057714), (1715, 949784), (1720, 947023), (1757, 927080), (1892, 860930), (1960, 831061), (2008, 811195), (2107, 773080), (2156, 755510), (2365, 688744), (2408, 676445), (2510, 648956), (2695, 604408), (2744, 593615), (2761, 589960), (3010, 541156), (3080, 528857), (3311, 491960), (3430, 474892), (3514, 463540), (3773, 431720), (3784, 430465), (4214, 386540), (4312, 377755), (4730, 344372), (5020, 324478), (5390, 302204), (5522, 294980), (6020, 270578), (6622, 245980), (6860, 237446), (7028, 231770), (7546, 215860), (8428, 193270), (8785, 185416), (9460, 172186), (10040, 162239), (10535, 154616), (10780, 151102), (10793, 150920), (11044, 147490), (12040, 135289), (12299, 132440), (13244, 122990), (13720, 118723), (13805, 117992), (14056, 115885), (14749, 110440), (15092, 107930), (16555, 98392), (16856, 96635), (17570, 92708), (18865, 86344), (18920, 86093), (19327, 84280), (21070, 77308), (21560, 75551), (21586, 75460), (22088, 73745), (23177, 70280), (24598, 66220), (26488, 61495), (27610, 58996), (29498, 55220), (30184, 53965), (33110, 49196), (35140, 46354), (37730, 43172), (38654, 42140)]