280780290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1166

約数の個数: 192

約数和(自身を含む): 917654400

約数和(自身を除く): 636874110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 49, 54, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 135, 147, 171, 189, 190, 210, 245, 266, 270, 285, 294, 315, 342, 378, 399, 441, 490, 513, 570, 630, 665, 735, 798, 855, 882, 931, 945, 1026, 1117, 1197, 1323, 1330, 1470, 1710, 1862, 1890, 1995, 2205, 2234, 2394, 2565, 2646, 2793, 3351, 3591, 3990, 4410, 4655, 5130, 5585, 5586, 5985, 6615, 6702, 7182, 7819, 8379, 9310, 10053, 11170, 11970, 13230, 13965, 15638, 16755, 16758, 17955, 20106, 21223, 23457, 25137, 27930, 30159, 33510, 35910, 39095, 41895, 42446, 46914, 50265, 50274, 54733, 60318, 63669, 70371, 78190, 83790, 100530, 106115, 109466, 117285, 125685, 127338, 140742, 148561, 150795, 164199, 191007, 211113, 212230, 234570, 251370, 273665, 297122, 301590, 318345, 328398, 351855, 382014, 422226, 445683, 492597, 547330, 573021, 636690, 703710, 742805, 820995, 891366, 955035, 985194, 1039927, 1055565, 1146042, 1337049, 1477791, 1485610, 1641990, 1910070, 2079854, 2111130, 2228415, 2462985, 2674098, 2865105, 2955582, 3119781, 4011147, 4456830, 4925970, 5199635, 5730210, 6239562, 6685245, 7388955, 8022294, 9359343, 10399270, 13370490, 14777910, 15598905, 18718686, 20055735, 28078029, 31197810, 40111470, 46796715, 56156058, 93593430, 140390145, 280780290]

約数ペア:

[(1, 280780290), (2, 140390145), (3, 93593430), (5, 56156058), (6, 46796715), (7, 40111470), (9, 31197810), (10, 28078029), (14, 20055735), (15, 18718686), (18, 15598905), (19, 14777910), (21, 13370490), (27, 10399270), (30, 9359343), (35, 8022294), (38, 7388955), (42, 6685245), (45, 6239562), (49, 5730210), (54, 5199635), (57, 4925970), (63, 4456830), (70, 4011147), (90, 3119781), (95, 2955582), (98, 2865105), (105, 2674098), (114, 2462985), (126, 2228415), (133, 2111130), (135, 2079854), (147, 1910070), (171, 1641990), (189, 1485610), (190, 1477791), (210, 1337049), (245, 1146042), (266, 1055565), (270, 1039927), (285, 985194), (294, 955035), (315, 891366), (342, 820995), (378, 742805), (399, 703710), (441, 636690), (490, 573021), (513, 547330), (570, 492597), (630, 445683), (665, 422226), (735, 382014), (798, 351855), (855, 328398), (882, 318345), (931, 301590), (945, 297122), (1026, 273665), (1117, 251370), (1197, 234570), (1323, 212230), (1330, 211113), (1470, 191007), (1710, 164199), (1862, 150795), (1890, 148561), (1995, 140742), (2205, 127338), (2234, 125685), (2394, 117285), (2565, 109466), (2646, 106115), (2793, 100530), (3351, 83790), (3591, 78190), (3990, 70371), (4410, 63669), (4655, 60318), (5130, 54733), (5585, 50274), (5586, 50265), (5985, 46914), (6615, 42446), (6702, 41895), (7182, 39095), (7819, 35910), (8379, 33510), (9310, 30159), (10053, 27930), (11170, 25137), (11970, 23457), (13230, 21223), (13965, 20106), (15638, 17955), (16755, 16758)]