17972010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 56471040

約数和(自身を除く): 38499030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 257, 259, 270, 315, 333, 370, 378, 514, 518, 555, 630, 666, 771, 777, 945, 999, 1110, 1285, 1295, 1542, 1554, 1665, 1799, 1890, 1998, 2313, 2331, 2570, 2590, 3330, 3598, 3855, 3885, 4626, 4662, 4995, 5397, 6939, 6993, 7710, 7770, 8995, 9509, 9990, 10794, 11565, 11655, 13878, 13986, 16191, 17990, 19018, 23130, 23310, 26985, 28527, 32382, 34695, 34965, 47545, 48573, 53970, 57054, 66563, 69390, 69930, 80955, 85581, 95090, 97146, 133126, 142635, 161910, 171162, 199689, 242865, 256743, 285270, 332815, 399378, 427905, 485730, 513486, 599067, 665630, 855810, 998445, 1198134, 1283715, 1797201, 1996890, 2567430, 2995335, 3594402, 5990670, 8986005, 17972010]

約数ペア:

[(1, 17972010), (2, 8986005), (3, 5990670), (5, 3594402), (6, 2995335), (7, 2567430), (9, 1996890), (10, 1797201), (14, 1283715), (15, 1198134), (18, 998445), (21, 855810), (27, 665630), (30, 599067), (35, 513486), (37, 485730), (42, 427905), (45, 399378), (54, 332815), (63, 285270), (70, 256743), (74, 242865), (90, 199689), (105, 171162), (111, 161910), (126, 142635), (135, 133126), (185, 97146), (189, 95090), (210, 85581), (222, 80955), (257, 69930), (259, 69390), (270, 66563), (315, 57054), (333, 53970), (370, 48573), (378, 47545), (514, 34965), (518, 34695), (555, 32382), (630, 28527), (666, 26985), (771, 23310), (777, 23130), (945, 19018), (999, 17990), (1110, 16191), (1285, 13986), (1295, 13878), (1542, 11655), (1554, 11565), (1665, 10794), (1799, 9990), (1890, 9509), (1998, 8995), (2313, 7770), (2331, 7710), (2570, 6993), (2590, 6939), (3330, 5397), (3598, 4995), (3855, 4662), (3885, 4626)]